Witness true stories of how these travellers survive in some of the world’s harshest prisons. Catch Locked Up Abroad: Crime and Punishment every Friday, 10pm BKK/JKT, 11pm HKT/SIN, on National Geographic. | National Geographic Asia

Escape from an Island Prison | National Geographic

Living a double life can come with serious consequences, some of which prove impossible to outrun. Watch an all-new Locked Up Abroad tonight at 10/9c on National Geographic. | National Geographic TV

Davon explains what it's like growing up in Baltimore, being surrounded by the drug trade. A new episode of #LockedUpAbroad airs Wednesday night at 9/8c on National Geographic. | National Geographic TV

Ainsley is in court in his home town of Warrington, when he decides to spontaneously flee. A new episode of #LockedUpAbroad airs tonight at 9/8c on National Geographic. | National Geographic TV

If you try to escape from one prison, you might end up getting sent to an even more dangerous one. #LockedUpAbroad | National Geographic TV