Adriana Retyte, a 14-year-old pupil at Langley school in Norfolk, took her own life on 8 May after viewing videos and images related to suicide on TikTok in the week preceding her death. Norfolk area coroner Johanna Thompson found the material "may have played a significant part in her decision to take her life." Retyte was found by her mother and stepfather that evening, airlifted to Addenbrooke's hospital in Cambridge, and died two days later. The structural failure here is not new. It is nine years old. Molly Russell, also 14, died in 2017 after Instagram served her suicide and self-harm content. The public inquiry, the charity founded in her name, the regulatory pledges — none of it stopped the same mechanism from killing another child on a different platform. The algorithm that optimises for engagement does not distinguish between a teenager searching for homework help and one spiralling toward self-harm. Engagement is engagement. Ofcom chief executive Melanie Dawes told MPs plainly: "We do not see a safety culture from these large social media companies." She described platforms as "very slow to acknowledge that there are risks of criminal action, child grooming and also some of these issues of the way the algorithms feed suicide and self-harm material." Her verdict was blunt: "Trust they can clean up their own services is simply not there." Ofcom launched a separate investigation in June into whether TikTok is failing its legal obligations to protect children from harmful content. The Molly Rose Foundation's summer 2026 survey of 1,825 children across 21 UK schools puts numbers to the scale. One in three children were exposed to high-risk suicide, self-harm, depression, or eating disorder content on major social media platforms in the week before they were surveyed. Seven percent had seen content that made suicidal thoughts "seem normal, appealing, or cool." Three-quarters of teens who encountered high-risk suicide content saw it on TikTok specifically. Retyte's school had a monitoring system on its issued tablet that flagged a search related to a method of death on 31 December 2025. Staff followed up with the pupil and her mother. Retyte denied making the searches. Usage returned to normal homework activity. The school's detection worked; what it detected was already downstream of a content pipeline it could not control. TikTok said it enforces "strict rules against any content that promotes self-harm" and uses "advanced technologies" to detect and remove violating content. It is understood the company had not yet investigated what happened with Retyte's account. Andy Burrows, CEO of the Molly Rose Foundation, called for Ofcom to open an investigation into TikTok's algorithm specifically: "The case for action is clear, it just needs the will to take on big tech. Anything less is a dereliction of the duty of a regulator." The coroner is working on a prevention of future deaths report that will be circulated to bodies including Ofcom. The core question is whether any existing regulatory mechanism can match the speed and scale of algorithmic content delivery. Ofcom has powers under the Online Safety Act but has moved deliberately. TikTok's enforcement claims remain untested against the specifics of this case. The pattern — child death, public outcry, platform statement, regulatory review, repeat — has now cycled for nearly a decade with no structural break.