Evidence, Photo, & Sketching Terms

Front

Locard Exchange Principle

Back

Whenever two objects come into contact with each other, there is always a transfer of material.

Front

Transient evidence

Back

Temporary evidence that is easily changed or lost.

Front

Class evidence

Back

Evidence that has characteristics of a group of items.

Front

Individual evidence

Back

Evidence that can be traced to a single source.

Front

First officer

Back

The initial police officer to arrive at a scene; their duty is to ensure the safety of everyone present and preserve evidence as much as possible.

Front

#1 rule of crime scenes

Back

Do not disturb the scene.

Front

Overview shot

Back

a photograph that depicts the general condition and layout of the scene; generally shows the whole scene or as much as possible in one shot

Front

Evidence establishing shot

Back

a photograph that depicts where in the scene a piece of evidence is located

Front

Close-up shot

Back

a photograph that shows the evidence from a 90 degree angle; detailed

Front

Front lighting

Back

Illuminates the subject without introducing any shadows; used for the majority of crime scene photos.