[HiJinx]

Harlon Carter, past president of the NRA, had the right idea. Joe Arpaio implemented part of it.

Put a compound of GP Mediums in the middle of the desert, with no habitations within 20 miles. Put a double cyclone fence around it, with land mines within 20 feet of the inside and outside of the fence. Put a pack of wild dogs in between the fences. Pipe water into the compound from an outside storage tank. Once a week airdrop food for the dogs and the inmates. Once a month, remove the bodies. (Of the inmates.)

That's the only way you ever come out.

[SandRat]

Reopening Devils Island would work too.