carlos carloca was killed june 7th. police say surveillance footage shows 26-year-old nathaniel chasing the victim, then hitting in the head with a baseball bat 11 times. the suspect claims carloca threatened him with a knife. >>> more on the breaking news in san francisco. david stevenson has just arrived on the scene. he's at the marina green where a vehicle has gone into the water. >> reporter: i just talked to a witness as well. first, let's take a look at the scene at this hour. you can see there are a number of boats on the water. i counted two police boats, two fire boats have been out in the water. they are still looking for that car that went in the water. there are divers on the scene. they're having trouble locate the vehicle. now i just spoke to a witness under five minutes ago. he was out here with his girlfriend and says he saw the car racing towards the edge of the parking lot, up over a short curb. he screamed to call the police. to call 91. he tells me he saw a woman behind the seat of a gold van and th

police have now identified the im as 31-year-old carlos carloca of san jose. the suspect chased him through the store and then as the victim was on the floor, hit him 11 times in the head with that baseball bat. the suspect is 26 years old. he is being held without bail. he says the victim threatened him with a knife. police say they never found a weapon. >>> the city of oakland has asked a federal judge to -- federal proximate results want to seize the building that houses the medical marijuana dispensary. the city sued to stop the action. the judge ruled oakland doesn't have standing in the case. oakland wants the proceeding stopped while it appeals. no word on when the judge might rule. >>> a man armed with a shotgun went on a shooting rampage in north carolina. police say the man shot at officers who then returned fire and managed to subdue him. police say he shot one person in a car, then wounded three others outside a nearby walmart. it's unclear if any of the wounded were deliberately targeted. the alleged gunman and the four victims are expected to sur