Name: Oklahoma takes a guess, approves nitrogen gas for killing prisoners
Uploaded: Wed Apr 22 2015 02:53:00 GMT+0000 (UTC)
Duration: 8 min 23 s
Description: Rachel Maddow reports on how the state of Oklahoma, running out of options for ways to kill prisoners with lethal injection, decided to try causing death by nitrogen hypoxia.

April 22, 201508:23

Nitrogen gas approved for killing prisoners