Monica works in a crime lab. Her supervisor tells her that she needs to better understand Locard’s Exchange Principle. How will she MOST accurately demonstrate her understanding of this concept?

A.
She will always test for the presence of blood at crime scenes.

B.
She will use both fingerprints and bullet matching to solve crimes.

C.
She will keep evidence separated so it doesn’t get contaminated.

D.
She will exchange information openly with other crime investigators.