1.   Police rushed the lone hijacker, who had been brandishing a sharpened screwdriver.

2.   Four prisoners were stabbed repeatedly with sharpened screwdrivers during the rioting, Fonseca said.

3.   He also used a sharpened screwdriver to threaten crew members and passengers.

4.   Sgt. John Poland displayed a BB gun, a chain coated with duct tape, a sharpened screwdriver and an automatic pistol.