ATLANTA (AP) -- Attorneys for condemned Georgia inmate Troy Davis say they have asked state officials to allow him to take a polygraph test before his scheduled execution.
Attorney Stephen Marsh tells The Associated Press on Tuesday night that they have asked state prison officials and the pardons board for the test. Davis is scheduled to die Wednesday night.
He has long claimed he is innocent of killing Mark MacPhail, an off-duty police officer working as a security guard in Savannah, Ga. But state and federal courts have repeatedly upheld his conviction.
Prosecutors and MacPhail's relatives say they have no doubt the right man is being punished.
A prisons spokeswoman says she is unaware of the request and the pardons board didn't immediately respond.