While the Troy Davis execution may not be a game-changer for the death penalty, it has become part of a growing conversation about ensuring that innocent people aren't killed or die in prison.
Troy Davis is facing his fourth execution date Wednesday at 7 p.m. Attempts to delay the execution continue, with critics saying Georgia has not listened to doubts about Davis's guilt.
The Georgia Board of Pardons and Paroles stood firmly behind the 1991 murder conviction that put Troy Davis on death row. But the many doubts in the case have raised questions about 'executive clemency' as a fail-safe for the death penalty.
Troy Davis, a death row inmate who garnered global support for his claims of innocence, was denied clemency Tuesday by a Georgia parole board. His execution is scheduled for Wednesday night.
More than 600,000 people, including leaders like Archbishop Desmond Tutu and former President Carter, have urged a Georgia clemency board to commute Troy Davis's death sentence.
Georgia death-row inmate Troy Davis had attracted the attention of anti-death penalty advocates worldwide, but the Supreme Court refused to take his case Monday.