In the Early 20^th Century a French Criminologist Held That

Multiple Choice

In the early 20^th century a French criminologist held that anytime two objects come in contact with each other there is a mutual exchange of materials which became the basis of modern scientific investigation in criminal and civil cases known as

A) the principle of mutual exchange .
B) Locard's principle of exchange.
C) Edmond's principle of exchange.
D) the principle of mutual material exchange.