it s a suspicion death. it s not normal for an 11-month-old child to pass away. we are going to look into it. you know, in depth. reporter: in addition to searching the house, police are interviewing the boy s caretaker, his mother and others trying to determine what happened. scott stewart, he lives across the street from that house. did you ever notice anything unusual going on at that house? just the lights on all night. reporter: did you ever hear any baby crying. never heard a baby there. reporter: screaming? nope, never. reporter: so the news of this baby s death is i m totally surprised. reporter: so far, no one has been charged with any wrong doing in this case. i m pat collins, news 4, vienna. the family is working on funeral arrangements. the 11-month-old will be buried next week. a deadly hit and run is being investigated as a homicide. police say it started yesterday when two groups of men started fighting on 14th street in northwest. one o