Is that a monkey in your pocket, or are you just happy to see me?

[Batman]

Guy gets busted at customs in Mexico City while trying to smuggle 18 endangered titi (yes, that's an actual species) monkeys into the country -- under his shirt. He was given away by a mysterious bulge in his jacket.
When he goes to prison, he better not drop the soap. He might get aped.

http://www.telegraph.co.uk/news/worldnews/centralamericaandthecaribbean/mexico/7900051/Man-spotted-with-mysterious-bulge-in-his-clothing-had-18-monkeys-up-his-jumper.html