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July 2026: Government declines to widen the Thirlwall terms of reference (16 July) · new 100-page insulin report to the CCRC challenging the trial evidence (9 July) · Thirlwall report still expected no earlier than September · inquests relisted to 2027 · Shoo Lee Panel: no medical evidence of deliberate harm.

Lucy Letby Facts

Conflict-map · Trial prosecution experts

Prof. Owen Arthurs

Paediatric radiology expert for the prosecution

Paediatric radiologyProsecution claim1Court/official

Main contribution

Gave post-mortem radiology evidence for the Crown.

Key claim

Radiological findings were consistent with the prosecution's mechanisms (intravascular gas, air-in-stomach).

Criticism

The Court of Appeal judgment records that he was one of the experts instructed after, and on the advice of, Dr Evans. The February 2025 International Expert Panel re-examined the imaging in the indicted cases and reported that it found no evidence of air embolism, attributing the collapses to natural causes or to failures of care.

Sources

Conflict-map topics this expert participates in

Full biographical profile

Prof. Owen Arthurs — biography

Other experts on the same side

Trial prosecution experts.