Question

what does the locard exchange principle imply? for every action there is an equal and opposite reaction fingerprints can help identify people wherever there is contact, something is left behind (evidence) there is always some type of dna left at a crime scene

Explanation:

The Locard Exchange Principle states that whenever there is contact between a person and a place or object, something is transferred. This can be used in forensic science to find evidence. For example, a criminal might leave fibers from their clothing or pick up soil from the crime - scene.

Answer:

wherever there is contact, something is left behind (evidence)