Jamall Walters was born on September 30, 2002 was born and raised in Manchester and came of age in the Moss Side district. Like several young men involved in the 2020 Moss Side stabbing, Walters was part of the gang culture in Manchester, England. He was affiliated with AO (Active Only), a street gang based in the Moss Side area, which had evolved from Manchester’s notorious Gooch and Doddington gangs.

By the late 2010s, young people in Moss Side were increasingly drawn into postcode feuds, territorial disputes, and online escalations involving music, social media, and street identity. Drill music, in particular, became a way for gangs to assert dominance, threaten rivals, and build reputations. While not all members were active participants in the music scene, the culture surrounding it intensified gang rivalries, with AO adopting the red bandana as a symbol of belonging.

On 26 July 2020, Greater Manchester Police were called to a chaotic scene on Henbury Street in Moss Side at around 7:30 p.m. Several young men had been stabbed during a violent altercation believed to be linked to the ongoing feud between the AO gang and the Rusholme Crips. Among the victims was 17-year-old Mohamoud Mohamed, who died at the scene from severe stab wounds.

The attack came only weeks after a mass shooting in the same area, an event that had already put the region on high alert. Investigators viewed the stabbing as part of a series of retaliatory incidents connected to the intensifying gang rivalry. The presence of multiple wounded victims and the speed at which violence escalated reflected the dangerous environment surrounding both gangs at the time.

Walters, who was 18 years old, was arrested the following day, 27 July 2020, along with Daneaco Reid (19), Romeo Daley (18), and a 17-year-old boy whose identity was protected due to his age. All four were charged with murder, as evidence suggested they acted as a group during the attack.

During the trial, prosecutors presented drill music videos and lyrics connected to AO members, including tracks that explicitly referenced Mohamed. These materials were not used to prove direct participation by Walters but were introduced to demonstrate the broader hostility, intent, and culture of violence within the gang. One song, played in court, included threats aimed at Mohamed by name, illustrating the extent of personal animosity between rival groups.

The court determined that the defendants were responsible for the attack but could not establish the intent required for a murder conviction. On 12 February 2021, the jury found Walters and his co‑defendants guilty of manslaughter.

Following his conviction, Walters received a custodial sentence.