HOUSTON, Texas (KTRK) -- Houston police and a 5-year-old boy's family are asking for the public's help to find whoever knows what happened to the little boy just before he died. Authorities say that around 1:20 p.m. on Sunday, Jan. 3, 2021, David Niwamanya was playing on the playground in the 6100 block of Glenmont. David struggled to make it back to his home, and once he did, he was helped inside, where he fell unconscious. David was rushed to the hospital, where he died. His death was due to inflicted trauma, officials say. Houston police would not elaborate on his injuries but said they are "unique" and will be used as a tool in their investigation.