. >>> the family of annie lei is now conducting its own investigation. the 24-year-old student disappeared a year ago today and her body found five days later on what was supposed to be her wedding day. the man suspected of killing her, raven clark, worked with her at a yale lab and now the investigator into looking into -- is looking into whether yale did a proper background check when they hired clark. an attorney for the family say they are considering suing the school. >>> south bay police are on the hunt for a fire bug who they believe is responsible for more than a dozen fires. >> it's sunnyvale fire investigators who said someone set at least 15 fires since the spring, many of them near south fair oaks avenue and brayly park. georges is in sunnyvale where people are warned to be on the alert, george? >> reporter: that's right. all in this same area of sunnyvale and police believe it's the same arsonist at work. we're mere at a place that was hit in may. you see a charred-out power pole and the flames devoured a mattress nearby. the police urge eve