Within two years of Dr Lisa Tseng starting her career in Rowland Heights, Los Angeles, the demographic pattern of her patients dramatically changed, with largely young men travelling long distances to seek pain medication

All Jessica Patel from Middlesbrough wanted was a loving husband and a family of her own. She married her first love, Mitesh, but soon her dreams were shattered when he proved psychologically and physically abusive.

Dr Harold Shipman, a respected GP, murdered some 250 patients. Despite suspicions raised by colleagues, it took years for the authorities to catch up with him. Murder by Medic reveals a shocking pattern of abusing trust