A secret inquiry by the UK security service watchdog concludes that MI5 shows “serious failings” in how it manages an informant known only as “Agent X.” According to the watchdog’s findings reported by multiple outlets, MI5 was aware that the agent held misogynistic views and was “obsessed” with violence. The inquiry also indicates that the agent used a machete to coerce or control a former girlfriend, who later sought legal or formal acknowledgement of what occurred. One report says the agent is described as having far-right affiliations and that his behavior included abusive conduct against the woman known only as “X.” The outlets also state that the watchdog finds no evidence that the agent’s misogyny and violent fixation affected the way his MI5 handlers dealt with him, suggesting shortcomings in internal oversight and risk management. The reports add that the affected woman is calling for an apology from MI5. The watchdog’s inquiry is framed as a review of MI5’s management practices rather than an assessment of the agent’s overall role, and the present reporting focuses on compliance, governance, and duty of care.