If you have information that could help prosecutors put criminals behind bars, but you think it might cost you your life, you’re in luck: The Federal Witness Protection Program can give you a new one. Since the 1970s, the government has been relocating witnesses with new names, new homes, and sometimes even new faces.

While it’s notoriously secretive, we’ve managed to uncover 32 facts about the business of giving sources a new lease—or nose—on life. Check them out in this all-new edition of The List Show with Mental Floss editor-in-chief Erin McCarthy.

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