>> reporter: in nearby larimer county several drivers reported their windows were shattered including randy lingbloom. >> i knew this had been happening around this area. and i drive up and down here all the time. it's just something that you hear about. you know it. but you don't think it is doing to happen to you. >> reporter: so far police say they are only linking jacoby's murder and the attack on romero but they won't say how the cases are connected or what may be behind the string of attacks. the fbi is offering a $10,000 reward for information. danielle nottingham, cbs news, los angeles. >> glor: bob schieffer ended his 46 year run at cbs news today. his final farewell is next.