Trace Evidence Activity 9.1

Maria Navarro and Kirsten Setrak

Key

Contact - locksmith

Value on case - Can tell you what it opens and possibly owner and address

Makeup

Contact - Cosmetologist

Value on case - Brand,

Twist tie

Contact - Grocery store

Value on case - could have been used to tie something onto the victim

Chewed gum

Contact - Gum companies

Value on case - could lead to the victim or attacker by doing a DNA test

Colored pencil

Contact - Michael's art supply store

Value on case - could have been used as a weapon

Copper wire

Contact- Wire company

Value on case - could have been used as a weapon in the case

Nail

Contact - DNA Lab

Value on case - can give you a suspect

Hair

Contact - DNA Lab

Value on case - can give you a suspect

Wax

Contact - candle company

Value on case - could have been used to burn the victim

Burned match

Contact - DNA test

Value on case - find fingerprints of who used it

Makeup Clump

Contact - Cosmetologist

Value on case - What kind of makeup the victim may have been wearing.

Makeup Powder

Contact - Cosmetologist

Value on case - The kind of makeup the victim was wearing.

Colored pencil shaving

Contact - Michael's art supply store

Value on case - victim could have sharpened the pencil and left shavings behind as evidence

Grain of rice

Contact -toxicology

Value on case - Was the victim eating rice when they were attacked?

Button

Contact - person who makes buttons

Value on case - could have come off of the attacker, or the victim