do now: discuss with partners for 2 minutes. i often go to the police station, sometimes in the...
TRANSCRIPT
DO NOW: discuss with partners for 2 minutes.
I often go to the police station, sometimes in the middle of the night, and destroy considerable numbers of fingerprints. I do not, however consider myself a criminal. Who am I?
R.E.A.C.T.R espect everyoneE nter and exit appropriatelyA ccept responsibilityC ooperate with everyoneT ake action
LEARNING OBJECTIVE
Compare the 3 major fingerprint patterns of
arches, loops, and whorls, and their
subclasses
CREATE A GRAPHIC ORGANIZER / concept map / flow chart
Must include• The 3 major classes and subclasses of fingerprints• All of the parts of fingerprints• All of your table partner’s fingerprints – in the correct location• Any other information you think is important
Your table can ask me for help ONE TIME. Everyone will get the same grade
THIS IS A FORMATIVE ASSESSMENT (5 MINUTES)
GALLERY WALK
Left page reflection:Look at 2 other posters
• How does this differ from my group’s poster?• How is it similar?
• MAKE SOME CHANGES?
How are fingerprints analyzed?
• Level 1 is the ridge flow and the layout of the ridges. This can rule out but not convict.
• Level 2 is ridge characteristics and placement and this can allow an individual to be matched.
• Level 3 looks at the angle of the paths, width, shape, pores, edge contours, breaks, scars and cuts and this can lead to prosecutions.
How are fingerprints analyzed?
-Identify characteristics / Minutiae/ Galton Details
-Find whether the characteristics match on each print
How many details make a match?• Minutia or Galton Details make up the
individuality in a fingerprint• A match is up to experience and knowledge of
the examiner but usually 8 to 16 are needed.
AFIS The Automated Fingerprint Identification System - a
computer system for storing and retrieving fingerprints Began in the early 1970’s to:
Search large files for a set of prints taken from an individual Compare a single print, usually a latent print developed from a
crime scene By the 1990’s most large jurisdictions had their own
system in place. The problem - a person’s fingerprints may be in one AFIS but not in others
IAFIS—the FBI’s Integrated Automated Fingerprint Identification system which is a national database of all 10-print cards from all over the country
LEFT PAGE – formative assessment
Answer for 7 fingerprints:1) Loop, whorl, arch? PLUS the subclass… 2) Level 1, Level 2, or Level 3 match?
1) Why?2) How many matching minutia? USE THE
ACADEMIC VOCAB FROM NOTES I GAVE YOU
3) Which minutia, and where are they located?
PLUS any other relevant details.
STAND UP AND READ
Francis from Malcom in the Middle, stand up and explain what was EASY and what was HARD about that procedure