Forensics Unit 7 Fingerprints Review

What is AFIS?

• Always First In Science

• Automated Fingerprint Identification System

• Agency for Fingerprint Identification Storage

• Automatic Fingerprint Index System

Identify the classes of these fingerprints (left to right)?

• Loops, spirals and whorls

• loops, whorls and ridge endings

• arches, loops, whorls

• loops, whorls and arches

What causes fingerprints to be left behind when we touch things?

• sweat from our pores

• dirt from our skin

• oils from our skin

• pressure from our skin when we touch things

• Plain arch

• tented whorl

• tented arch

• loop

Most common type of fingerprint pattern: least common pattern

• loops : arches

• arches : loops

• whorls : loops

• loops : whorls

Physical evidence that is found in small but measurable amounts.

• minutiae

• DNA

• trace

• compelling

Fingerprint evidence can be collected by

• taking photos

• fuming

• fuming

• all of these

Identify this ridge characteristic.

• island

• bridge

• fork

• ridge ending

Identify this fingerprint class (Left Hand & palm down).

• Radial Whorls

• Ulnar Loop

• Radial Loop

• Arch

Identify this fingerprint class.

• Double Loop whorl

• Tented Arch

• Plain Whorl

• Plain Arch