Types Of Criminal Evidence In TV Procedurals


Jennifer Dornbush, author of “Forensic Speak”, has defined several types of crime evidence in TV procedurals.

1) BIOLOGICAL
These are human fluids and tissue such as blood, saliva, semen, skin and flesh.

2) DIRECT
These include CCCTV, testimonies, phone and bank records, photos, audio and video recordings.

3) IMPRESSIONS
These include finger, foot and hand prints.

4) PHYSICAL
These include bullet cases, weapons, pieces of torn clothing and other objects.

5) TRACE
These include hair, nails, dirt and threads.

6) INDIRECT

This is circumstantial and is deduced based on the clues available at the time.

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