The evidence for a double homicide in the case of Sally Clark, the solicitor convicted and later cleared on appeal of killing her two baby sons, was “overwhelming,” the General Medical Council was told last week.

Alison Armour, a consultant pathologist, said she did not believe that either death was natural. She would not exclude shaken baby syndrome or smothering as the cause of death of Mrs Clark's second son, Harry. Her first son, Christopher, had marks of violence on his body, and she would describe the cause of death as “unascertained.”

Dr Armour, a consultant pathologist for Lancashire Teaching Hospitals NHS Trust and a pathologist for the Home Office, was giving evidence on behalf of Dr Alan Williams, the pathologist who …