it takes a thief to catch a thief

it takes a thief to catch a thief

One who is skilled at evading the law is well-trained to find or catch someone who behaves similarly. He's a bank robber, he can definitely help us catch these crooks—it takes a thief to catch a thief, you know.
See also: catch, take, thief
Farlex Dictionary of Idioms.
See also:
  • catching
  • catch as catch can
  • catch-as-catch-can
  • catch (one) with (one's) pants down
  • catch somebody with their pants down
  • catch someone with their pants down
  • catch with pants down
  • go after
  • go after (someone or something)
  • like a greased pig