Critics warn "the system is broken" as Independent Office for Police Conduct cases bring Scotland Yard's behaviour into focus.
The 19-year-old's mother was reportedly asked how police would be able to find her son if she couldn't.
The 19-year-old had been missing for more than two weeks.
Police said the body of a man has been found in a pond in Epping Forest, Essex.
Stories like Richard’s are the rule, not the exception for Black missing children and their families, writes Minority Matters’ Aisha Ahmed.