victims have been apparently random targets. some families are scared to leave their homes. >> go through the windshield and had a collision, my kids, family are dead, he's driving around with a gun. >> reporter: just in, we have just gotten this sketch from the sheriffs department. if we can go ahead and show that sketch. first, we have the vehicle description. it's a dark-colored sporty car, possibly a cavalier or a mustang. it is four door. if we can show the sketch. we can tell you that one person has reported seeing a clean-shaven white man in his 30s. the artist has come up with this sketch. in hopes of finding any new leads, police are surveying surveillance tapes they have found from areas near the shootings. and they are asking for information, tipsters can remain anon nus musat 1-800-speak-up.