Robert Thorogood on why his British murder mysteries are a hit with the French / BBC documentary sheds new light on John George murder / Teenager sentenced to life for south London murder of Elianne Andam / Post-mortem of 'murdered' Brit couple in France to be held today as cops scour phones amid mystery over 'violent' deaths / Experts question medical evidence that led to murder conviction of British nurse / Woman found dead in London flat named and pictured as murder investigation launched / Rolex that cracked notorious UK murder case returned to victim's family after 30 years / Police charge man with murder in Thames homicide investigation, victim's name released / Man charged with murder after 64-year-old woman found dead in London home / Sara Sharif case: Father, stepmother convicted of brutal murder after UK trial