Nicky Jacobs embraced his friends and supporters as he was released from Belmarsh prison today.
Jacobs, wearing a brown leather jacket, shook hands with his solicitor before greeting his friends just a day after he was cleared of murdering Pc Keith Blakelock in 1985.
He was subsequently driven away in a silver saloon car.
The 45-year-old's lawyer said his client was "relieved" to be free after his ordeal.
More top news
London mayor Sadiq Khan is "extremely worried" about knife crime as Met Police revealed there was an increase in stabbings in the capital.
Camden police have responded to reports of an unexploded World War Two bomb in Hampstead high Street.
AFC Wimbledon face Plymouth in the League Two play-off final at Wembley, with a place in League One at stake.