Rio McFarlane was inadvertently caught in the crossfire of a petty dispute between rival gangs police said today as his killer was jailed for a minimum of 35 years.
The promising footballer was shot in the chest by Leon Pacquette in Peckham, south London in 2010.
"Rio was neither in a gang nor involved in criminality, but he inadvertently ended up in the crossfire of a petty dispute between rival gangs," Detective Constable Richard Williamson, Trident Gang Crime Command, said.
"For the sake of Rio's family, I am pleased that we have been able to bring the man responsible for his murder to justice and we hope today's verdict offers some comfort to them."
The mother of murdered teenager Rio McFarlane has spoken of her "pain and hurt" at the loss of her son to ITV London.
Leon Pacquette was sentenced to 35 years in prison after shooting the 18-year-old in the chest in Peckham in 2010.
"I can't begin to explain the pain and the hurt that I feel since Rio has passed," Maureen McFarlane told ITV London News' Ronke Phillips.
"But I know that he would want us to carry on living to the fullest, to enjoy life and to remember him for the person that he was - fun, loving, giving and honest."
Watch the full interview with the family of Rio McFarlane on ITV London at 6pm
A man who killed 18-year-old Rio McFarlane has been sentenced to a minimum of 35 years in prison.
Leon Pacquette, 25, shot the teenager, who was a family friend of footballer Rio Ferdinand, in the chest in Peckham in 2010.
Pacquette was also convicted of attempted murder and possessing a firearm with intent to endanger life.
A gang member convicted of killing Rio McFarlane will be sentenced at the Old Bailey today.
McFarlane, 18, and a family friend of Manchester United footballer Rio Ferdinand, died after being shot in the chest in Peckham, south London, in September 2010.
Leon Pacquette, 25, was convicted of killing the teenager yesterday.
Rio Ferdinand made a video appeal for information following the murder.