(CNN)Prisons are supposed to be the most difficult buildings to escape from. Yet inmates still break free -- sometimes with dramatic helicopter stunts, sometimes just by slipping through the cracks (literally).
Here are some of the most bizarre prison breaks in history:
The chronic escapee
When Redoine Faid first escaped from prison five years ago, he blasted his way out with explosives.
The Frenchman was caught, locked up and given more time behind bars. He just escaped again -- by hitching a ride Sunday on a hijacked helicopter.
Faid was serving 25 years in prison for his role in a failed 2010 robbery that resulted in the death of a French police officer.
