A teenager accused of killing two students and injuring three at a California high school was a "quiet, smart" kid, according to classmates and neighbors who have no idea why he would carry out a shooting rampage on his 16th birthday. Law enforcement sources identified the Santa Clarita suspect to the Los Angeles Times as Nathaniel Berhow. Authorities say he is in the hospital in "grave condition" with a self-inflicted bullet wound. Police say that surveillance video shows that the Saugus High School shooting lasted 16 seconds from the time the shooter took a .45 caliber handgun from his backpack and opened fire, apparently at random. Sheriff Alex Villeneuva says that when he shot himself, the teen seemed aware that he was down to his last bullet. All six students were taken to a hospital, where a 16-year-old girl and a 14-year-old boy died. More:
- Instagram account. Investigators trying to determine a motive say they are investigating an Instagram account that apparently belongs to the teen. Before the shooting, the message "Saugus, have fun at school tomorrow" was posted. Police Capt. Kent Wegener said Friday that a third party changed the message to something else after the shooting, CNN reports. He said it wasn't clear if a friend or a hacker was responsible.