In the closing stages of the seven-week trial at Preston Crown Court the defence for Jamie Varley delivered a claim so extraordinary that it immediately shifted the entire atmosphere inside the historic building and forced several Members of Parliament to demand a full national inquiry into the child-protection system. Nick Johnson KC told the jury that only a sophisticated criminal mastermind possessing almost superhuman skills of concealment could have inflicted months of physical and Sєxual abuse on 13-month-old Preston Davey while a succession of trained social workers and health visitors visited the family home and raised not a single red flag.

The post-mortem examination had revealed forty external and internal trauma injuries, many of them consistent with forcible penetration, yet the professionals whose job it was to protect vulnerable children recorded zero concerns. Johnson KC hammered home the point that Preston was a highly visible child who was never hidden away; he was seen regularly by the very people paid to notice danger, and still nothing was spotted. He warned the panel in the strongest terms not to allow raw emotion or horror at the injuries to fill any gaps in the evidence, insisting that a conviction based on speculation rather than cold hard facts would itself be a tragedy.

The jury, already reduced to ten members after the long proceedings, is expected to retire once the judge has completed the summing-up, and this single mastermind argument has introduced a level of uncertainty that few observers anticipated. Outside the court MPs from several parties have already tabled early-day motions calling for an independent national inquiry into how an adopted child could sustain such extensive injuries under the supposed watchful eyes of the local authority and health services.

Legal commentators following every day of the trial describe the defence as a high-stakes gamble that places the entire safeguarding system on trial alongside the accused, forcing jurors to ask themselves whether ordinary people could possibly have hidden so much for so long without detection. The seven-week case has already exposed the limits of multi-agency working, the pressures on social workers, and the difficulty of spotting sophisticated deception even when professionals visit repeatedly. As the final speeches conclude and the jury prepares for its private deliberations the mastermind claim continues to reverberate, ensuring that whatever verdict is returned the questions raised about how such horror could remain invisible will not disappear with the jury’s decision.