. >> reporter: it appears that kayden went to exchange information with the driver when a third vehicle hit him and drive off. witnesses could son-in-law say it was a dark suv. kayden's father arrived at the scene and found his son bleeding in the road. >> he was unconscious, bleeding, head wounds. you know, going into shock, basically. >> reporter: his stepmother is a trained emt and ran to help. >> i had to say it was really difficult to look at your son laying in the road. >> reporter: tonight the senior at santa teresa high school is recovering with gashes on his head, metal tapes and a bruised lung. >> knowing that the person hit him and just left. i can't comprehend that. >> reporter: tonight it appears thatcade listen recover from his usuals but they hope that police will catch the driver who left him here on the road. >>> the rain is gone for now but i'm tracking fog in the bay area that will impact the morning commute. i'll tell you where will be the thickest. >>> what we are hearing could happen as early as tomorrow >>> federal investigators put the rush on safety changes for

. >> reporter: it appears that kayden went to exchange information with the driver when a third vehicle hit him and drive off. witnesses could son-in-law say it was a dark suv. kayden's father arrived at the scene and found his son bleeding in the road. >> he was unconscious, bleeding, head wounds. you know, going into shock, basically. >> reporter: his stepmother is a trained emt and ran to help. >> i had to say it was really difficult to look at your son laying in the road. >> reporter: tonight the senior at santa teresa high school is recovering with gashes on his head, metal tapes and a bruised lung. >> knowing that the person hit him and just left. i can't comprehend that. >> reporter: tonight it appears thatcade listen recover from his usuals but they hope that police will catch the driver who left him here on the road. >>> the rain is gone for now but i'm tracking fog in the bay area that will impact the morning commute. i'll tell you where will be the thickest. >>> what we are hearing could happen as early as tomorrow >>> federal investigators put the rush on safety changes for