The Supreme Court will hear a death row challenge from an Oklahoma man, convicted in a murder-for-hire plot. Richard Glossip's execution was put on hold last year while his case worked through the legal system. He's continually maintained his innocence. The Oklahoma City trial has long been controversial. That's because the killer, who was a drug addict, cut a plea deal with prosecutors. He got a life sentence while Glossip got the death penalty for the murder of his motel-owner boss. The trial featured one man's word against the other, without little additional evidence