On 7 August 1985, five people were found dead at White House Farm in Essex, England: 28-year-old Sheila Caffell (familiarly known as Bambi); her six-year-old twin sons Daniel and Nicholas; and her adoptive parents, June and Nevill Bamber. All five had been shot with a rifle. Caffell’s 24-year-old brother Jeremy Bamber, who was also adopted, had alerted Essex police to a disturbance inside the farmhouse – he said his father had called to tell him – and had been outside with the police for four hours before the bodies were discovered. Caffell, who had recently been hospitalised with schizophrenia and is said to have feared her children were going to be taken into foster care, was found with the rifle lying on her chest, pointing towards her neck. There were two gunshot wounds to her neck and chin, and a bloodied Bible by her side. The case was initially thought to be open and shut, a tragic murder-suicide committed by Caffell. But a month later, Jeremy Bamber was arrested. He has now been in prison …