police say edgar jonathan aristondo lunged at them with a my knife and they shot him. his mother disputes that, saying that her son was ill and had not taken his medication and he did not have a knife. >>> the chp is investigating an accident involving one of their own officers. it happened when an officer riding a motorcycle was traveling east on i-80. the officer had the right of way as he approached the crosswalk. as he drove across it, he realized he hit something. >> he was able to maintain control of the motorcycle, came back to the crosswalk and found the pedestrian lying in the road. the pedestrian looks like he had a broken leg. >> reporter: it's believed that the pedestrian, a man in his early 20s may have been intoxicated. the officer involved was not hurt. >>> chp has started a crackdown on cell phone use. this time, it is more on drivers who are talking or texting. >> if you are aware of people on the cell phone, the appropriate enforcement action. >> reporter: this is a heads up at the oakland chp office. they'll turn in a number of citations, handed out