james kapoot. the man is accused of shooting kapoo during a chase. smith is tried and con sreubgtded he could face the death penalty. this hearing -- and convicted he could face the death penalty. >>> a six hour stand off on treasure island ended with the gunman taking his own life this morning. the suspect was in a stolen car and led officers on a chase it began on san francisco city streets at about 11:00 last night. at one point the suspect fired a shot at officers. police chased the man to treasure island where he got out of the car and held a gun to his head. as a precaution, officers shut down all ramps to and from the island. >> so the fact that he had a weapon, was threatening to shoot himself and had already discharged the firearm, there's concern for public safe that if he fired that weapon, the public could be struck by gunfire. >> they found the suspect dead, they reopened the ramps to and from treasure island about an hour later. investigators say the man may also have been a suspect in a robbery and carjacking in benetia last week. >>>