curriculem vitae - state patrol - erdmann

of 19 Curriculum Vitae –Thomas W. Erdmann

Wisconsin State Patrol Bureau of Specialized Services Technical Reconstruction Unit

433 West St. Paul Ave., Suite 300 Milwaukee, WI 53203

608-498-0840

414-227-2166

Curriculum Vitae

Thomas W. Erdmann Area of Specialization:

Expert analysis of motor vehicle collisions. Technical expertise in numerous crash reconstruction disciplines including speed analysis, occupant kinematics, pedestrian crashes, time-distance relationships, lamp examination, road signing evaluation, crash data retrieval, and more. Specialist in indentifying and collecting vehicle and roadway evidence at crash and crime scenes. Reconstructed, investigated, or assisted on over 1000 traffic crashes.

Accreditations:

Accredited by: "The Accreditation Commission for Traffic Accident Reconstruction" (ACTAR) September 19, 2003 Demonstrated academic achievement, completion of accident specific training, applied experience in the field, provided expert testimony, and successful completion of the ACTAR full accreditation written and practical examination.

Work Experience:

2013 – Present Law Enforcement Supervisor Wisconsin State Patrol Technical Reconstruction Unit Primarly responsible for the implementation, administration, presentation, and evaluation of the Wisconsin State Patrol Technical Reconstruction Unit. This includes both crash reconstruction and crime scene investigations. Responsible for the supervision, counseling, evaluation and development of Wisconsin State Patrol employees, instructors, trainees. Responsible for the coordination and supervision of facilities, financial resources, materials, and support personnel, in relation to the Technical Reconstruction Unit. Serve as a technical advisor to Division administrative personnel, Technical Reconstruction Unit personnel and other law enforcement agencies.


2006 – Present Accredited Reconstruction Specialist Wisconsin State Patrol Technical Reconstruction Unit Full time position primarily responsible for conducting comprehensive investigations of crash and crime scene incidents for the State of Wisconsin. Provide proper application of engineering and scientific principles in the crash and crime scene reconstruction field. Respond to crash and crime incident scenes in order to perform a comprehensive collection and preservation of evidence. Obtain necessary search warrants for evidence collection purposes. Assist with motor vehicle mechanical inspections. Operate scientific equipment such as accelerometers, total stations, and crash data retrieval systems. Provide expert witness testimony for criminal and civil cases. Consult with city, county, state, and federal law enforcement officers and attorneys regarding scientific conclusions. Manage regional-level reconstruction personnel and equipment. Instruct current curriculum for crash reconstruction in-service and crash investigation courses at the Wisconsin State Patrol Academy. Coordinate, maintain, and provide training for the Wisconsin State Patrol’s forensic mapping survey equipment. 1996 – 2006 Regional Crash Reconstructionist Wisconsin State Patrol Bureau of Field Services Perform crash and crime scene reconstruction response and analysis in addition to enforcement patrol functions as a state trooper. Provide expert analysis and testimony for criminal and civil cases in southeastern Wisconsin. Consult with city, county and state law enforcement officers and attorneys regarding scientific conclusions. Manage southeast regional-level reconstruction personnel and equipment. 1989 - 2006 State Trooper Wisconsin State Patrol Bureau of Field Services Enforce state traffic and criminal laws, administrative rules and regulations, with a primary emphasis on highway safety. Investigate traffic crashes and provide assistance to motorists and the public. Provide emergency services to include response to traffic crashes, natural or man-made disasters and civil disorders. Represent the State of Wisconsin in job-related civil and criminal judicial processes including serving as a witness. Perform and coordinate specialized law enforcement activity, functions and assignments, including highly complex and technical services. 1995 – Present Law Enforcement Instructor Wisconsin State Patrol Bureau of the Academy Instructor at the Wisconsin State Patrol Academy for Basic Crash Investigation, Technical Crash Investigation, Vehicle Dynamic, Forensic Mapping, and Crash Reconstruction In-service. Develop course curriculum for evidence collection and processing in the Technical Crash Investigation course. Develop course curriculum for the Forensic Mapping with Total Stations course. 2001 – 2002 Law Enforcement Instructor Waukesha County Technical College Police Academy Develop course curriculum and instruct Basic Crash Investigation at the Waukesha County police recruit academy.


1999 – 2004 Background Investigator Wisconsin State Patrol Bureau of Field Services Complete background investigations on potential new employees of the Wisconsin State Patrol. Prepare background investigative reports and submit to human resources department. 1988- 1989 State Motor Vehicle Inspector Wisconsin State Patrol Bureau of Highway Safety Enforce state traffic laws, administrative rules and regulations, with a primary emphasis on motor carrier size, weight, and equipment laws. Represent the State of Wisconsin in motor carrier enforcement judicial processes including serving as a witness.

Specialized Crash Reconstruction Related Training:

November 2016 2016 Trimble Dimensions Survey Conference Location: Las Vegas, NV

Trimble Access – New Features and Productivity Tips

Trimble SX10 Scanning Total Station

Forensics Field Data Capture

Forensics Office Software

Forensic Investigative Solutions September 2016 2016 Vehicle Homicide Conference Location: Stevens Point, WI

DNA Evidence in Crash Cases – Tara Jenswold, Jennifer Honkanen, Thomas Erdmann

Scanner Technology in Crash Reconstruction & Crime Scene Mapping – Ryan Zukowski

3-D Printing as Evidence in Crash Cases – Justin Bender, Steve Yahr

Legal Update – Tara Jenswold, Emily Thompson

Drug Impaired Drivers- Amy Miles

Tire Forensics – T.J. Tennent

Special Issues in Non-OWI Crashes – Gerald Fox, Tara Jenswold, Emily Thompson

Cell Phones & GPS Technology – Cindy Murphy June 2016 Tennessee Traffic Crash and Safety Symposium Location: Nashville, TN

Crash Testing – Brad Muir

Cell Phone Apps – Robert Wyman

Motorcycle Crash Investigation – Tony Becker

CDR Update – Rick Ruth

Spin Analysis – John Daily

Momentum – John Daily

Expert Testimony – Jim Camp


May 2016 World Reconstruction Exposition Location: Orlando, FL

Human Factors

NTSB Accident Investigations

Autonomous Driving and Collision Avoidance Systems

EDR Update

Video Analysis of Traffic Collisions

Rollover Crashes / Pedestrian Collisions

15 Live Crash Tests

Interactive Field Day

Crash Test Review May 2015 Tennessee Traffic Crash and Safety Symposium Location: Franklin, TN

Courtroom testimony – John Kwasnoski

Human Factors Update – Jeff Muttart

Pedestrian Crash Investigation – Tony Becker

Hit-and-Run Crash Investigation – Robert Lee

Trailer Stability – John Daily

Product Safety Trends – Nissan America

Excel for Crash Math – Andy Rich

Tire Failure Analysis – T.J. Tennent March 2015 2015 Vehicle Homicide Conference Location: Appleton, WI

Rollover Crashes – Pete Luepke

Special Issues in the Investigation & Prosecution of Rollover Crash Cases - Thomas Erdmann, Thomas Parrott, Tara Jenswold

Crash Simulations – Duane Meyers

Vehicle Crash Research & Wisconsin CIREN Center - Dr. Frank Pintar

The Role of Coroner/Non-Physician Medical Examiner – Larry Mathein

The Role of the Physician Medical Examiner – Dr. Michael Stier

Technical Report Writing in Crash Reconstruction Cases – Ryan Zukowski

Conservation of linear Momentum – Jason Schwarz

Mechanical Inspections – Richard Krisher

Fourth Amendment Update – David Perlman

February 2015 State Patrol Crash Reconstruction In-service Location: Wisconsin State Patrol Academy – Fort McCoy, WI

Facebook – Michael Marquardt

Confessions & Interviews – Michael Marquardt, Thomas Parrott

Crash Data Retrieval Update – Will Ryan, Matthew Johnson

Legal Update – Tara Jenswold, Dave Perlman, Emily Thompson

Utilizing EDR data in momentum analysis – Jason Schwarz

Rollover Crashes – Justin Bender

Railroad Crash Investigation – Ryan Zukowski


November 2014 Trimble Dimensions 2014 Conference Location: Las Vegas, NV

Productivity Beyond GNSS/ Trimble R10 system

Using Trimble Access measure codes

How to understand and get the most of your total station

Crime scene data collection

Trimble Business Center deliverables from the V10

Scanner technology

September 2014 Advanced Crash Reconstruction Utilizing Human Factors Location: Brookfield, WI Instructor: Jeffery Muttart – Northwestern University

Reaction and response time research

Weather influences to driver response

Nighttime response

Path intrusions

Gap acceptance

Driver search patterns

Driver response to lead vehicles, traffic signals, & decision making

I.DRR Software May 2014 Tennessee Traffic Crash and Safety Symposium Location: Franklin, TN

Rollover Crash Investigations –

Crash Testing – John Daily, Jeremy Daily

CMV EDR Data – Jeremy Daily

Momentum Fundementals – John Daily

EDR Update – Brad Muir

Legal Update – Jim Camp

Crash Data Presentation – John Daily, Jeremy Daily, Brad Muir January 2014 State Patrol Crash Reconstruction In-service Location: Wisconsin State Patrol Academy – Fort McCoy, WI

Employee Assistance Program – Andrew Peterson

Legal Update/Warrants – Tara Jenswold, Emily thompson

Open Records – Shannon Ballhorn, Daniel Graff

ECM/ACM update – Tim Austin, Will Ryan

Coroner Protocol – Barry Irmen

Critical Incident Investigations – Vern Vandeberg

Aerial Photographs – Tiffany Novinska September 2013 2013 Vehicle Homicide Conference Location: Brookfield, WI Instructors: Tara Jenswold, Emily Thompson, Mindy Winter, Cindy Murphy, Ryan Zukowski, David Perlman, Amy Miles, Scott Kuntz, Kristin Roman, Thomas Erdmann, Jason Schwarz, Suzanne Zinkel, Timothy Austin, Thomas Parrott, Charlie Klauer

Distracted Driver/Cell Phones

Blood Draws in Crashes


Video Evidence

Forensic Mapping with Multiple Total Stations

Using Visual Aids in Trial

EDR update

June 2013 2013 Midwest Association of Traffic Accident Investigators Conference Location: Wisconsin Dells, WI Instructors: Northern Illinois Staff

Conservation of Momentum with CDR Applications – Gary Cooper

Human Factors in Crash Reconstruction – Jeffrey Muttart

Advanced Energy Analysis (Force Balance) – Michael DiTallo

Crash Data Retrieval System Update – Rusty Haight March 2013 Wisconsin Association for Identification Annual Conference Location: Rothschild, WI

Evidence Best Practices

State of Wisconsin Fusion Center

Overdose Death Investigation

Digital Evidence - Gordy Kowaleski, Shawano Sheriff’s Dept.

Case studies February 2013 Advance Collision Reconstruction with Excel Applications Location: Wisconsin State Patrol Academy – Fort McCoy, WI Instructor: C. Gregory Russell

Conservation of Linear Momentum

Vector Diagramming

Restitution and Closing Speed

Force Balance

Braking Efficiency of Commercial Vehicles

Working with Closing speed, Delta V, & PDOF August 2012 State Patrol Crash Reconstruction In-service Location: Wisconsin State Patrol Academy – Fort McCoy, WI

SAE Deceleration Spin Analysis – Duane Meyers, Thomas Parrott

Legal Update – Tara Jenswold

Metallurgy Failure Analysis – Benjamin Church

Evaluation CMV Driver Records Logs Status through Smart Phone Technology & Electronic Logging Systems – Michael Marquardt

Electronic Control Modules Update – Timothy Austin

Evaluating Speed through Gear Ratios Examination – Thomas Parrott

DNA & Trace Evidence – Daniel Campbell, Amy Beatty

Forensic Pathology – Dr. Michael Stier

Delta V / Kinetic Energy – Jay Vergowe

Calculation Closing Velocity – Timothy Austin

SAE CMV Brake Efficiency – Duane Meyers,Timothy Austin

Traffic Signals – Joanna Bush

Cell Phone and GPS downloads – Mark Andraschko


July 2012 Event Data Recorder Use in Traffic Crash Reconstruction Location: Wisconsin State Patrol Academy – Fort McCoy, WI Instructors: Rick Ruth, West Brown

Event Data Recorder Background

Bosch Software

Imaging Methods & Data Retrieval by Back Powering

Analytical Topics Relevant to EDRs

Measuring Acceleration and Delta V

Crash Pulses and Velocity Vectors

GM, Ford, Chrysler, Toyota, and Honda Specific Data

Commercial Vehicle EDR July 2012 Advanced Traffic Incident Management Workshop for Mid Level Managers Location: Milwaukee County Sheriff Training Academy Conducted by: Federal Highway Administration

TIM gaps/needs and identify specific strategies for regional TIM improvement

TIM programs in the overall context of safe, efficient highway system operations.

TIM National Unified Goals

Monitoring/measuring TIM performance March 2012 CDR Operators Analysis & Applications Location: Wisconsin State Patrol Academy – Fort McCoy, WI Instructors: Brad Muir, Jon Northrup

System Operators Course

Analysis & Applications Course

June 2011 State Patrol Crash Reconstruction In-Service Location: Wisconsin State Patrol Academy – Fort McCoy, WI

DOT Pavement Friction Testing – Steve Krebs, Mike Malaney

EDR Update – Will Ryan

Cellular Phone Investigation – Mark Andraschko

Practical Testing – TRU

Total Station Update – Thomas Erdmann, Jason Schwarz

Legal Update – Tara Jenswold November 2010 Trimble Dimensions 2010 Survey Conference Location: Las Vegas, Nevada

New Survey Products

Laser Scanning

GPS Mapping

Trimble Access October 2010 Advanced Crash Reconstruction Location: Wisconsin State Patrol Academy – Fort McCoy Instructors: Dr. Rudy Limpert, Franco Gamero

Single Vehicle Barrier/Wall Crash

Two Vehicle In-line Collision

Two Vehicle Oblique Collisions


Car – Pedestrian Collisions

Vehicle Rollover Crashs

Pre-crash Vehicle Dynamics July 2010 Vericom VC4000PC Accelerometer Training Location: Wisconsin State Patrol Academy – Fort McCoy, WI Instructors: Richard Jobe

Basic Physics

VC4000PC Nomenclature & Operation

VC4000DAQ Nomenclature & Operation

Testing & Downloads July 2010 Advanced Vehicle Dynamics Location: Wisconsin State Patrol Academy – Fort McCoy, WI Instructor: Daniel L. Metz, Ph.D., P.E.

Steady State Cornering Testing

Wide Open Throttle Testing

Transient Cornering Testing June 2010 Forensic Scene Mapping Using Lasers Location: Nicolet Area Technical College – Rhinelander, WI

Instructors: Kyle J. Clark, Bobby E. Jones Jr. – IPTM

Forensic Mapping Concepts

Operator Safety

Reflector Techniques

Instrument Setup

Accuracy Confirmation Shots

Mapping Projects

CAD Techniques June 2010 Advance Motorcycle Crash Analysis Location: Wisconsin State Patrol Academy – Fort McCoy, WI Instructor: Wade Bartlett, P.E. – Mechanical Forensics Engineering Services, LLC

Friction & Statistics

Motorcycle Technology & Post-Impact Inspections

Motorcycle Dynamics

Speed from Gear Ratios

Field Testing

Momentum & Vector Diagrams March 2010 State Patrol Crash Reconstruction In-Service Location: Wisconsin State Patrol Academy – Fort McCoy, WI

THC Impairment – State Hygiene Laboratory

Translational Velocity – Sgt. Duane Meyers, TRU

Legal Update- Tara Schipper , Department of Justice

Momentum, PDOF, Thrust, Delta-V – Jeremy Ver Gowe, TRU

EDR Update, Timothy Austin, TRU

Mapping Crime Scenes with Multiple Total Stations o Holly Urbain , Seiler Instrument


o Thomas Erdmann, TRU o Jason Schwarz, TRU

September 2009 Optics, Lighting, and Visibility for the Forensic Investigator Location: Wisconsin State Patrol Academy – Fort McCoy, WI Instructors: James S. Sobek, P.E., Clearly Visible Presentations, LLC Kevin T. Johnson, Clearly Visible Presentations, LLC

Light and Photometry

Basic Real World Optics

The Human Visual System

Light Sources and Atmospheric Influences

Light Measurement

Field Applications

August 2009 Advanced Pedestrian/Bicycle Crash Investigation Location: Wisconsin State Patrol Academy – Fort McCoy, WI Instructors: Tony Becker, Institute of Police Technology and Management

Mike Reade, Institute of Police Technology and Management

Pedestrian/Cyclist Collision Dynamics

PEDBIKE 2000 Computer Software

Searle, Appel, and Other Formulas

Crash Video Analysis: Pedestrian Carry

Injury Analysis

Projectile Motion: Fall and Slide

Field Crash Studies

Human Factors June 2009 2009 Midwest Association of Traffic Accident Investigators Conference Location: Wisconsin Dells, WI Instructors: Northwestern University Staff

Pole Impacts

Electronic Control Module Technology

Air Brakes

Crush Measurement Protocol

Vehicle Dynamics May 2009 Statewide Traffic incident Management Conference Location: Wilderness Resort – Wisconsin Dells, WI

NTIMC Strategic Plan Balance – John Corbin

TIME Program Update – Brian Rahn

Emergency Transportation Operations – Rebecca Burkel

Media Partnerships – Peg Schmitt April 2009 State Patrol Crash Reconstruction In-Service Location: Wisconsin State Patrol Academy – Fort McCoy, WI

Momentum & Energy Balance – Michael Marquardt

Critical Speed Yaw on Multiple Surfaces – Jason Schwarz

Driver Identification Issues – Thomas Parrott

Vehicle Rollover Investigations – Thomas Erdmann

Crash Data Retrieval Update – William Ryan and Tim Austin


Time-Distance Evaluation – Ryan Zukowski

Online Resources for Transportation Professionals, Pat Casey, Mark Linsenmayer

March 2009 Vehicular Homicide Conference Location: Wisconsin Department of Justice – Brookfield, WI Instructors: John Kwasnoski, - Professor of Forensic Physics Dr. Dean Hawley - Forensic Pathologist Patrick Harding - Toxicology Section, WSLH

Investigation and Reconstruction

Operator Identification Issues

Blood Testing Issues in OWI Cases

Expert Witness Qualification

Use of Demonstrative Evidence/Exhibits March 2009 WisDOT Survey & Mapping Workshop Location: Cedar Creek Lodge – Rothschild, WI Instructor: Holly Urbain - Seiler Instruments

Using TSC2 & SC with Geodimeter

Total Station New Functionality October 2008 Investigative Photography Methods Location: Wisconsin State Patrol Academy – Fort McCoy, WI Instructors: Ron Groffy - Wisconsin Department of Justice Scott De Broux - Appleton Police Department

Exposure Theory

Lighting Methods and Flash Techniques

Scaling Evidence

Imaging Fingerprints

Footwear, Tire Impression, and Traffic Accident Documentation April 2008 State Patrol Crash Reconstruction In-Service Location: Wisconsin State Patrol Academy – Fort McCoy, WI

Momentum Review – Duane Meyers

Pedestrian Crashes – Jason Schwarz

Crush Analysis – Mike Marquardt

Legal Update – Tara Jenswold

Crash Data Retrieval Update – William Ryan, Tim Austin

ECM Downloads – Tim Austin

Intro to AASHTO, MUTCD, & FDM – Bill Bremer, John Bridwell, Erik Emerson

MUTCD Part 6 – Work Zone Traffic Control Technician – Thomas Notbohm

Intro to Traffic Signal Engineering – Joanna Bush March 2008 Wisconsin Association for Identification – 42nd Annual Education Conference Location: Raddison Hotel – Wauwatosa, WI

Taking the Crime Lab to the Crime Scene – Dr. R.E. Gaenssien

Understanding DNA Evidence – Norman Gahn

Blood Spatter – Stuart James, Todd Thorne


Major Case Investigations – Dr. Henry Lee

DNA at Work – Brian J. Killacky

March 2008 Human Factors in Traffic Crashes Location: Wisconsin State Patrol Academy – Fort McCoy, WI Instructors: Jeffrey W. Muttart – Accredited Traffic Accident Reconstruction

Driver Perception and Response Times

DRIVE3 Computer Program

Driver Cognitive Processes

Visual Performance

Effects of Age on Driver Performance

Effects of Weather on Driver Performance

Effects of Alcohol, Drugs, and Fatigue on Driver Performance

Nighttime Performance and Evaluation February 2008 WisDOT Survey & Mapping Workshop Location: Hotel Mead – Wisconsin Rapids, WI Instructor: Holly Urbain – Seiler Instruments

Scanner Technology

Trimble VX Total Station

Scanning with Trimble S6 Total Station

October 2007 Statewide Traffic Incident Management Conference Location: Paper Valley Hotel – Appleton, WI

National Unified Goal for Traffic Incident Management – John Corbin

Incident Debriefing – Doug Dembowski

Emergency Traffic Control & Scene Management – Scott Nelson

National TIM & Emergency Preparedness – Jeffrey Western October 2007 Trimble S6 Robotic Total Station Operational Training Location: State Traffic Operations Center – Milwaukee, WI Instructors: Holly Urbain – Seiler Instruments

Setup, Care and Storage of Unit

Data Collection Using Various Modes and Functions

Procedures for Downloading from Data Collector June 2007 Forensic Mapping with Topcon Total Stations Location: Wisconsin State Patrol Academy – Fort McCoy, WI

Instructors: Sergeant Duane Meyers – Wisconsin State Patrol Trooper Timothy Austin – Wisconsin State Patrol

Introduction to Topcon Instruments

Topcon Features

Pocketzone Data Collection Software

Practical Exercises June 2007 Forensic Diagramming with Cadzone Location: Wisconsin State Patrol Academy – Fort McCoy, WI

Instructors: Sergeant Duane Meyers – Wisconsin State Patrol Trooper Timothy Austin – Wisconsin State Patrol

Advanced Applications in Three-Dimensions


Assigning 3-D Attributes

3-D Surfacing

Introduction to Animation June 2007 Shooting Incident Analysis and Reconstruction Location: Dane County Law Enforcement Training Center - Madison, WI Instructor: Edward E. Hueske - University of North Texas

Firearms Review

Shooting Reconstruction Basics

Intermediate Targets

Determination of Angle Impact

Proper Examination and Documentation

Case Studies

April 2007 Bloodstain Interpretation Location: Wisconsin State Patrol Academy – Fort McCoy, WI Instructor: Donald A. Barker – Institute of Police Technology & Management Jeffery F. Findley – Institute of Police Technology & Management

Bloodstain Patterns

Documentation of Bloodstain Evidence

Pattern Analysis in Scene Reconstruction

Blood Detection Techniques

Lab Exercises March 2007 Wisconsin Association for Identification – 41nd Annual Education Conference Location: Plaza Hotel & Suites – Eau Claire, WI

FBI/PFI Futures Working Group – Thomas Cowper

Mitochondrial DNA – Catherine Theisen

Chia Vang Homicide – John Christophersen, Gary Gillis

2D/3D Scene Reconstruction & Avery Case Review – Timothy Austin, Thomas Erdmann

Trace Evidence – Cary T. Oien

Digital Image Enhancement – Larry Dow January 2007 State Patrol Crash Reconstruction In-service Location: Wisconsin State Patrol Academy – Fort McCoy, WI

Instructors: Duane Meyers, Ryan Zukowski,Theodore Waite, Trooper Michael Marquardt, Mark Andraschko, Karl Mittelstadt

CASS – Cable Safety Systems

Braking Systems on Commercial Motor Vehicles

Technical Report Writing

Photogrammetry – 2D and 3D Applications

Snowmobile Skid Testing

Snowmobile Roll Out and Light Meter Testing

Snowmobile Rider Perception Reaction Time Testing October 2005 State Patrol Crash Reconstruction In-Service Location: Wisconsin State Patrol – Fort McCoy, WI

Instructors: DSP Reconstruction Specialists Duane Meyers, Trooper Mark Andrashko, Steven Prouty, Jim Camp


Pole Crash Investigation

G-meter Testing

Evidence Collection

Expert Witness Testimony June 2005 Wisconsin State Crime Laboratory Evidence Technician School Location: Wisconsin State Patrol Academy – Fort McCoy, WI

Instructors: Ronald L. Groffy, Chuck J. Cates, Aaron Matson, Robert Snders

Evidence identification, collection, packaging, sealing and Transmittal

Photographing Evidence

Fingerprinting

Crime Scene Management November 2004 State Patrol Crash Reconstruction In-Service Location: Wisconsin State Patrol Academy – Fort McCoy, WI Instructors: Duane Meyers

Total Station Survey Mapping Update

Crashzone 3D Rendering

2D Photogrammetry

Speed Analysis from Gear Ratio

Practical Exercises in Airborne and Critical Speed Analysis October 2004 Damage and Energy Applications for Collision Reconstruction Location: Wisconsin State Patrol Academy – Fort McCoy, WI Instructors: J. D. Hudak, W. R. Haight - Collision Safety Institute

Fundamental Concepts Review

System Based Collision Analysis

Energy and Damage

Standardized Measuring Protocol

Calculations for Delta-V, Belta–E, and BEV

Computer Applications October 2004 Commercial Motor Vehicle Crash Investigation Location: Wisconsin State Patrol Academy – Fort McCoy, WI Instructors: David E. Brill - Institute of Police Technology & Management

Vehicle Inspection

Scene Evidence

Interview Techniques

Vehicle Dynamics

Speed Estimates September 2004 Crash Data Retrieval Certification Course Location: Wisconsin State Patrol Academy – Fort McCoy, WI Instructors: W. R. Haight- Collision Safety Institute

Terms and Conventions

Data Interpretation

Data Limitations


July 2004 REC-TEC Crash Reconstruction Computer Software Location: Wisconsin State Patrol Academy – Fort McCoy, WI Instructors: George Bonnet

Configuration

Vector

Time Distance

Swerve and Swerve Return

Critical Turn Away October 2003 State Patrol Crash Reconstruction In-Service Location: Wisconsin State Patrol Academy – Fort McCoy, WI Instructors: Duane Meyers, Daniel Lonsdorf

Legal Aspects of PowerPoint Presentations

PowerPoint Animations in Crash Reconstruction

REC-TEC Computer Software

Crush Damage Analysis

Energy Balance Studies

Introduction to Photogrammetry – Photomodeler Software

Crash Data Retrieval System

September 2002 State Patrol Crash Reconstruction In-Service Location: Wisconsin State Patrol Academy – Fort McCoy, WI Instructors: Duane Meyers, Lieutenant Daniel Lonsdorf

AR98 Pro, Equations on Excel, ARC Network

Survey Mapping and CAD Drawing

PDOF and Energy Dynamics

Airbag Sensing and Diagnostic Modules

Empirical Testing of Crash Data Retrieval System October 2001 State Patrol Crash Reconstruction In-Service Location: Wisconsin State Patrol Academy – Fort McCoy, WI Instructors: Duane Meyers, Daniel Lonsdorf

CAD Drawing with Crashzone Program

Downloads with CDR Software Program

Attempts at Near Deployment of Vehicle Airbag Systems

Conversion of Geodimeter 600 Information Through GSP and CAiCE Software Programs

Forensic Mapping April 1999 Geodimeter 600 Instrument Training Location: Wisconsin State Patrol Academy – Fort McCoy, WI Instructor: Holly Urbain – WisDOT Survey Expert

Setup, Care and Storage of the Geodimeter 600

Operation of Geodimeter 600

Procedures for Downloading Data Collector

March 1999 Interview & Interrogation Techniques Location: Wisconsin State Patrol Academy – Fort McCoy, WI Instructor: Douglas E. Wichlander, David E. Zulawski

Interviewing & Interrogation Techniques


January 1999 State Patrol Crash Reconstruction In-Service Location: Wisconsin State Patrol Academy – Fort McCoy, WI Instructors: Duane Meyers, Daniel Lonsdorf

Crush Analysis

Crush Measurement Protocol

Barrier Equivalent Velocity

Energy-Momentum Balance

Case Study December 1998 Applied Physics for Traffic Accident Investigators Location: Wisconsin State Patrol Academy – Fort McCoy, WI Instructor: John Daily, Nathan S. Shigemura – IPTM

Algebra, Geometry, Trigonometry, Calculus

Vectors

Physics Basics

Center of Mass & Torque

Work & Energy

Rectilinear Motion

Momentum

Rotational Mechanics

Uniform Circular Motion

Falling Bodies & Uniform Projectile Motion

Tire Forces

Accelerometers & Skid Testing

Time-Distance September 1997 Pedestrian/Bicycle Accident Investigation Location: Wisconsin State Patrol Academy – Fort McCoy, WI Instructor: Michael J. Matuszak, Thomas J. Ryff – IPTM

Pedestrian Injury Analysis

Comprehensive Steps to the Reconstruction of Accident Scene

Pedestrian/Bicycle Practical Projects

Pedestrian Velocity Studies

Hit & Run Investigation

Human Factors & Night Visibility

Bicycle Accident Reconstruction

Vehicle Damage Analysis September 1996 Traffic Crash Reconstruction Course Location: Wisconsin State Patrol – Fort McCoy, WI Instructor: Richard W. Parkos, Kermit E. Matyas – IPTM

Laws of Motion

Kinetic Energy

Minimum Speed

Time, Distance and Motion

Conservation of Linear Momentum

Basic Motorcycle Crash Investigation

Vector Analysis


Acceleration Testing and Pedestrian Walking/Running Tests

Formula Derivations

Critical Speed Formulas /Airborne Formulas

Airborne Formulas

Critical Turn Away and Lane Change Formulas September 1996 Vehicle Dynamics

Location: Wisconsin State Patrol Academy – Fort McCoy, WI Instructors: Duane Meyers,Daniel Lonsdorf

Newton’s Laws of Motion

Coefficient of Friction and Drag Factor

Motion Equations: Velocity, Time, Acceleration and Distance

Speed Estimates – Using Flip/Vault, Fall and Sideslip Equations

Momentum Collinear (In-line)

Energy-Energy and Skidding, Kinetic Energy and Velocity Estimates

Speed Estimates From Skid Marks June 1996 Motorcycle Crash Investigation Location: Wisconsin State Patrol Academy – Fort McCoy, WI Instructors: Paul H. Olson, Harry C. Walters Jr. - IPTM

Analyze and interpret motorcycle crash scene

Determine acceleration and deceleration characteristics of the motorcycle

Analyze and interpret operator factors

Review motorcycle tires, helmets and other equipment

Analyze and interpret modes of instability related to motorcycles

Practical application of formulas (Field Project) October 1989 Technical Crash Investigation Course Location: Wisconsin State Patrol Academy – Fort McCoy, WI

Accident Scene Management

Preservation of Evidence

Scene Photography

Scene Measurements – Baseline and Triangulation

Crash Investigation Template & Scale Diagrams

Road Evidence

Witness Statements and Interviewing

Basic Crash Formulas and Speed Estimates

Lamp Analysis

Field Projects Demonstrating Measurement and Diagramming


Education:

1989 Trooper Recruit Training - Wisconsin State Patrol Academy – Fort McCoy, WI 1989 Police Science – Associate Degree - Waukesha County Technical College –

Pewaukee, WI 1988 Inspector Recruit Training - Wisconsin State Patrol Academy – Fort McCoy, WI 1988 Police Recruit Training - Waukesha County Technical College Police Academy –

Pewaukee, WI 1984 General College Education - Milwaukee Area Technical College – Milwaukee, WI

Guest Lecturer/Instructor/Presenter:

2016 Crash & Crime Scene Reconstruction Case Study – Forensic Mapping Tools 2016 Trimble Dimensions Survey Conference 2016 DNA Evidence Collection if Crash Investigations 2016 Vehicle Homicide Conference 2016 Crash Reconstruction and Traffic Incident Management 2015 Wisconsin Towers’ Association Conference 2015 Enhancing Crash Investigations Trough the Use of New Crash Reconstruction

Technology, 2015 Governor’s Conference on Highway Safety 2015 Special Issues in the Investigation & Prosecution of Rollover Crash Cases 2015 Vehicle Homicide Conference 2014 Integration of Forensic Mapping Tools at Crime and Crash Scenes, Trimble

Dimensions, Las Vegas, NV 2014 Crash Reconstruction & Injury Analysis, Wisconsin Coroner’s and Medical

Examiner’s Association Spring Conference 2013 Courtroom Presentations & Forensic Mapping, 2013 Vehicle Homicide Conference 2011 Crash Scene Management & Scene Clearance Issues, 2011 Vehicle Homicide Conference 2011 Forensic Mapping, 2011 Vehicle Homicide Conference 2011 Crash Reconstruction & Evidence Preservation, Wisconsin DOT Traffic Incident Management Enhancement meetings, 2011 Governor’s Conference on Highway Safety, Dane County Highway Department In-service training.


2011 Crash Reconstruction Using Survey Instruments, Wisconsin DOT Annual Surveying User Group training, Madison Area Surveyors Council annual meeting 2010 Working Together to Solve the Crime, Trimble Dimensions – Las Vegas, NV 2009 – Present Crash Reconstruction In-service, Wisconsin State Patrol Academy 2006 – Present Physics of Crash Reconstruction, High Schools & Colleges throughout Wisconsin 2006 – Present Reconstruction Technology, Various locations throughout Wisconsin 2004 – Present Forensic Mapping with Total Stations, Various locations throughout Wisconsin 1997 – Present Basic Crash Investigation, Wisconsin State Patrol Academy 1997 – Present Vehicle Dynamics, Wisconsin State Patrol Academy 1995 – Present Technical Crash Investigation, Wisconsin State Patrol Academy

Additional Specialized Training:

March 2015 Attorney General Summit on Public Safety Wisconsin Dells, WI May 2015 Leadership in Police Organizations North Central Technical College – Wausau, WI December 2000 Professional Supervisory Development Training Wisconsin State Patrol Academy – Fort McCoy, WI

September 1999 Background Investigation Training

Wisconsin State Patrol Academy – Fort McCoy, WI

April 1999 Mobil Data Computer Instructor Training Wisconsin State Patrol Academy – Fort McCoy, WI August 1998 Domestic Drug Highway Interdiction – Florida National Guard University of Wisconsin – Milwaukee, WI April 1997 Instructor Development

Wisconsin State Patrol Academy – Fort McCoy, WI


Certifications:

* Instructor - State of Wisconsin Technical College System Board * Instructor of Traffic Crash Investigation - Wisconsin State Patrol Academy * Crash Reconstruction * Total Station Operator * Crash Data Retrieval (CDR) System * Intoximeter Breath Test Operator * Radar Operator * Laser Operator * First Responder * Law Enforcement Officer - Wisconsin Law Enforcement Standards Board

Publications:

WSP-2012-01 A Comparative Study of Trimble® Robotic and Non-Robotic Total Stations Training Manual Total Station Survey Data Collection

Professional Associations:

2009 – Present Midwest Association of Technical Accident Investigators (MATAI) 2007 – Present Wisconsin Association for Identification (WAI) 1988 – Present Wisconsin Troopers’ Association (WTA)

curriculem vitae - state patrol - erdmann

Documents