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House Exclusive First Look: Thirteen's Big Prison Mystery Solved?

It’s common knowledge that Olivia Wilde brings Thirteen back to House on April 11 after a six-month stint in the pokey.

But what isn’t widely known is the reason Dr. Crankydoodle’s ailing underling was sent to jail in the first place. She did the time, but for what crime?

Matt’s Inside Line: Scoop on Thirteen’s House Return, Grey’s and More

A major clue can be found in the following clip from the show’s milestone 150th episode (next Monday 8/9c).

Amber Tamblyn: Before Leaving House, Masters Will Have a ‘Juicy’ Encounter with Thirteen

So, based on that, what do you think Thirteen really did to warrant a trip to the slammer? Hit the comments with your theories!