'They shot him in cold blood'
The killing of 16-year-old Nathaniel Julies, who had Down's syndrome, in Eldorado Park, south of Johannesburg, has shocked South Africa.
He was allegedly shot by police while eating a biscuit close to his house.
The police say he was caught in crossfire when some alleged gang members fired at them.
BBC correspondent Pumza Fihlani reports.
Produced by Kyla Herrmannsen, Christian Parkinson and Barnaby Mitchell.