bad. >> reporter: investigators say he had no connection to anyone at the restaurant. now they are searching for a motive, poring through this disturbing youtube video. >> i'm going crazy, man. losing it. it's because i'm alone, you know? i have nobody to talk to. nobody will talk to me. >> reporter: all three victims expected to recover, including jabari giles' daughter. >> she is alive, and she is going to be okay. that's all that matters. >> reporter: as for the good samaritans, it's ultimately up to the district attorney if they will be charged. we're told that's unlikely, especially since this could have been much worse had they not shot and killed the gunman. tom? >> will carr for us tonight. will, thank you. when we come back, the urgent recall tonight involving cars and cruise control. plus nearly 5 million american vehicles, what you need to know before hitting the road this holiday weekend. the possible danger with that cruise control feature. and just in, the disturbing new police video. a suspect in the nude. his bizarre behavior on a highway, and the deadly confrontation. stay with us.