. >> witness ivan guerrero told us he felt anxious watching the plane burn. >> i felt anxious because i knew people were burning in there. all i could do was call 911. >> reporter: they will look at the plane, weather conditions and the pilot's expertise. >> we look at the pilot, his or her training, his or her experience, his or her experience in the aircraft type. we will talk to instructors and fellow pilots. >>> investigators say they could have a preliminary report within 10 to 15 days but a final report could take any where from nine months to a year. live in watsonville, robert handa, ktvu channel 2 news. >>> oakland police are trying to determine if a serious of violent shootings overnight that injured six people are connected. three people were shot on east street near 89th avenue about 8:30 last night. just over an hour later, two people were wounded at 98th avenue and bancroft. a third shooting happened just minutes after that at 71st avenue and international boulevard. one person was shot there. no suspects have been arrested. >>> the man accused of stealing a valuable pic