The incident occurred on November 16, 2017, when Kacem Mokrane was fatally attacked as part of an ongoing feud between two rival gangs.
Police were called to Mount Pleasant Road at around 11.15pm that night following reports of a violent altercation.
Witnesses described a group of males armed with knives, machetes, and swords ambushing Kacem.
He was stabbed at least twice before the attackers fled the scene.
Kacem was taken to Royal London Hospital, where he underwent emergency surgery.
He died on November 20, 2017, due to complications from his injuries.
A post-mortem examination confirmed the cause of death as multi-organ failure resulting from hypovolemic shock and complications linked to a stab wound to the abdomen.
Christopher Wilson, 23, of Templar Drive, SE28, was convicted of murder on Thursday, December 12.
This result comes following a re-trial at the Old Bailey.
He is the fifth person to be convicted in connection with Kacem Mokrane’s death, while four others were sentenced in June 2023.
Hamza Ul-Haq, Luca Griffiths, Abdirisak Ali, and Kamil Kazmierski were all jailed for Kacem’s murder.
Wilson will be sentenced at a later date.
Detective Inspector Ben Dalloway, from Specialist Crime, said: “Kacem lost his life in a senseless and brutal attack by individuals who were intent on revenge following an ongoing feud between rival gangs.
“This is the second trial Kacem’s family and loved ones have had to endure and they are very much in my thoughts.
“This was a particularly complex investigation, involving a number of suspects, numerous crime scenes, and links to other incidents.
“Regarding the latter, my team spent months piecing together the circumstances of those various other crimes, and how they were interlinked, with one officer committing more than 500 hours of their time to a methodical analysis of both CCTV footage and material from body worn video.
“That work enabled us to present a strong case to the Crown Prosecution Service.”
