FILE - In this Jan. 16, 1991 file photo, Troy Anthony Davis enters a courtroom for a hearing while on trail for the shooting death of off-duty police officer Mark MacPhail. Death penalty appeals from condemned inmates usually hinge on technicalities, legal hiccups and procedural errors. But this week a federal judge will hear evidence from a death row inmate convicted of gunning down a Savannah police officer that will center on a more fundamental question: Is he innocent? Troy Davis' attorneys and legal experts alike say such an argument is highly unusual. And many say the evidentiary hearing

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Not available to licence for any broadcast or streaming service, video on demand, film, national newspaper or to create a NFT. This content is intended for editorial use only. For other uses, additional clearances may be required. FILE - In this Jan. 16, 1991 file photo, Troy Anthony Davis enters a courtroom for a hearing while on trail for the shooting death of off-duty police officer Mark MacPhail. Death penalty appeals from condemned inmates usually hinge on technicalities, legal hiccups and procedural errors. But this week a federal judge will hear evidence from a death row inmate convicted of gunning down a Savannah police officer that will center on a more fundamental question: Is he innocent? Troy Davis' attorneys and legal experts alike say such an argument is highly unusual. And many say the evidentiary hearing, scheduled Wednesday in federal court in Savannah, marks the first time the U.S. Supreme Court has ordered such a hearing in a death penalty case. (AP Photo/Savannah Morning News, File)