aware of their surroundings. there's the question over how safe drivers are. >> very difficult to answer. first shooting was april 23. second shooting was may 18. how many thousands of miles have been traveled sunsince then with no problem. impossible to answer. >> reporter: there's $12,000 in reward money for information that leads to the arrest prosecution and conviction of a suspect. if anyone has any information, they are asked to call the authorities. >> hopefully, they can solve this mystery. thank you. here are other crime stories we're keeping an eye on right now. a man convicted of stalking actress mila kunis just escaped from a mental hospital in southern california. police launching a search for him and an investigation as to how he got out of the facility. a san diego woman charged with murder in the road rage death of a navy officer.