Items Found in Sheinbein's Cell Raise Suspicion of Prison Collaboration

Investigators suspect convicted U.S. murderer may have been intending to commit crime outside the walls on behalf of prison official.

A prison guard's uniform, keys to prison doors and a handgun magazine have been found in the cell of Samuel Sheinbein, the prisoner killed in a shootout with police and Israel Prison Service special forces on Sunday.

Sheinbein, who was serving a life sentence for a 1997 murder in the United States, was killed after opening fire on prison guards, wounding eight, and barricading himself in the prison...