Question

this exchange principle states that with the contact of any two items or individuals, there is an exchange. this principle concludes that anything making contact with the crime scene will leave evidence of its presence.

bertillons
crime scene
evidence
locards

Explanation:

Locard's Exchange Principle states that when two items or individuals come into contact, there is an exchange, and anything in contact with a crime - scene will leave evidence of its presence.

Answer:

D. Locard's