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."
More top news
Dozens of plots have been thwarted since July 7, 2005, but are we any less vulnerable to terror attacks?
While #SevenSeven has been trending for much of the day, so too has the #WalkTogether campaign.
Police want to find four boys seen on CCTV around the time of the attack.