Is it true that if you send a thief you will catch a thief?

Answer:
From the Cary Grant film (1955) and the Robert Wagner TV series (1968), the theme is "it takes a thief to catch a thief".

The original proverb is "set a thief to catch a thief".
First answer by ID0408373309. Last edit by Dfoofnik. Contributor trust: 2554 [recommend contributor recommended]. Question popularity: 2 [recommend question].