Sir Richard Henriques, was one of Britain s most distinguished lawyers. Now retired as a High Court judge, his is a unique insight in the case of Harold Shipman - a GP turned serial killer.
The mild-mannered local GP may have killed as many as 250 people, the majority of whom were elderly and female - now the lawyer who successfully prosecuted him in 1999 has suggested a chilling theory
Two decades have passed since Shipman killed himself, but disturbing questions remain about the case and about how the medical profession deals with misconduct or even criminality by its members.
Debbie Bartlett believes the actual death toll caused by Harold Shipman could be far greater than feared - her grandmother Eva Lyons was his first victim in 1975
Phil Woodruff suspects two other relatives were killed by evil doctor Harold Shipman - his mother-in-law Kathleen Grundy died aged 82 and was found sitting upright