Impressions Forensics

This person's job is to match exemplar impressions to the crime evidence

• medical examiner

• medical doctor

• general dentist

• forensic odontologist

Shoe or tire marks left in soft material can be preserved with

• oil

• concrete

• plaster

• gelatin

When comparing plaster casts and ink prints this must be done to prove they are a good match

• confirm the match by viewing it

• circling the similarities on the ink page

• make an ink pattern from the plaster cast

• asking other scientists for their opinion

What are two ways to record tire impressions on a soft surface? Choose two.

• photographs

• scooping dirt

• adhesive plastic

• plaster impressions

Which of the following is a method used to collect impression evidence?

• Photographing and measuring all impression evidence

• Ignoring minor impressions

• Using water instead of Plaster of Paris

• Collecting only visible evidence

Shoe and tire marks impressed into soft earth can be best preserved by: 

• photographing and casting with dental stone

• photographing and then use of the electrostatic lifting technique.

• It is not possible to accurately preserve such markings

• dusting with powder

What 3-D method of collecting Impression evidence uses a dental stone or mixture to preserve the dimensional characteristics of the print?

• Photography

• Inking

• Dusting

• Casting

What must first be done with impression evidence?

• make a cast using plaster or dental stone

• cut out the area with the impression

• photograph it with a ruler

• place the item that made the impression over it to see if it's a match

Which of the following CANNOT be determined from a person's shoe impressions?

• Age

• Body weight

• Surface the person walks on

• Activities of the wearer

A footprint is left in dust at a crime scene and was only found due to electrostatic lifting.  What type of impression is this?

• Patent

• Latent

• Plastic

• Lasting