everybody loved him. >> kamari's grandmother waited at d.c. court, she was the first time she or the father in the tank top ever layed eyes on 33-year-old peter hinddy. >> this is the person that murdered my grand baby. >> on monday, he was baby sitting and told investigators he punished the four-year-old for riding his schooler out of his site. that's when he claims he responded i don't have to listen to you, you're not my baddy. so the grown man admits to police and his mother, he double punched the preschooler for being a smart mouth kid insisting you are going to listen to me. >> oh my god. oh my god. >> shocked neighbor kristy gardner says he never talked back. >> he is well mannered, just the sweetest little boy. >> he claims he road off only to refuse sweating profusely, his legs shaking still he returns to the streets selling marijuana. >> that's a poor excuse for a human being, and a poor excuse for a man. and he is a coward. >> the medical examiner determined hinddy's story couldn't be true, the autopsy shows the four-year-old was hi