Discuss the tests that are currently used to determine whether or not a person has fired or handled a firearm. Are these tests conclusive? Why or why not?

2. Explain in detail how you would collect the following impression evidence located at a crime scene:

a. A shoe print in dry dirt

b. Tool mark on a windowsill

c. Tire marks in soft earth

d. Shoe print on a loose piece of tile

e. Faint shoe print in dust on a colored linoleum floor

need in 8-10 hours est time and 1 reference

pur-new-sol