Fire investigators categorize some fires as:

A fire in a restaurant has more than one point of origin. This probably indicates that the fire was:

Physical properties of evidence can be measured without changing the evidence.

To expose latent fingerprints on a porous service, technicians use:

Evidence that exhibits individual characteristics includes:

The retention factor value is an older form of paper chromatography.

An investigator collects a blood sample but does not know if it is from a human or an animal. To make a determination, the forensic lab completes a:

The first step in investigating a crime is to:

To find latent fingerprints on a piece of balsa wood, an evidence technician might use:

Evidence collected at a crime scene is sent to: