Home Secretary Shabana Mahmood has launched an independent review into the murder of 18-year-old student Henry Nowak, led by former Conservative Lord Chancellor Alex Chalk KC. The review will investigate what authorities knew about perpetrator Vickrum Digwa and whether opportunities to intervene were missed. Initial findings are expected within five months. The facts are damning in sequence. Digwa, 23, had a documented history of threatening behaviour. Young Sikhs in Southampton reported he had been aggressive at a local gurdwara in the months before the killing. A neighbour recorded him firing an airgun in his back garden in October 2022 and reported it to police — Hampshire Constabulary says it cannot find a record of the incident. More than 20 weapons were later recovered from the family home. Nowak was fatally stabbed in December while walking home from a night out. What followed compounded the horror. Police body-worn camera footage showed officers handcuffing the bleeding teenager after Digwa falsely accused him of racial abuse. Nowak repeatedly said "I've been stabbed," and was told: "Don't think you have, mate." Two officers are now under IOPC investigation for potential gross misconduct — specifically for failing to recognise that Nowak needed urgent medical attention and for arresting him rather than providing first aid. The case detonated along every fault line available. Digwa, a Sikh, was carrying two knives including a kirpan — a blade permitted in the UK for religious purposes. His murder of a white teenager, followed by the police response footage, triggered widespread protests, allegations of two-tier policing, and a spike in racist attacks against the broader Sikh community. The political fallout forced the Home Secretary's hand. The review's scope is deliberately broad: what was known about Digwa, whether the Nowak family was adequately supported through the criminal justice system, and — once the IOPC concludes — whether the police response and the IOPC's own conduct were adequate. This is three nested accountability investigations running simultaneously. Digwa was jailed for life with a minimum term of 21 years. He has been granted permission to challenge that sentence length at the Court of Appeal on 5 November. His mother, Kiran Kaur, received three years for removing the murder weapon — the knife police later found alongside the 20-plus other weapons at the family home. The Nowak family called the review a "significant moment" but described their experience of the criminal justice system as "deeply disappointing." Their statement was pointed: "No other family should have to endure what we have." Whether this review produces structural reform or becomes another report that catalogues failures without changing incentives depends entirely on what Chalk is empowered to recommend — and whether those recommendations carry enforcement mechanisms.