Beverley Allitt poisoned a string of young patients during the 1990s.
Ben Geen from Oxfordshire adminstered patients with lethal doses of drugs while on duty.
Genene Jones worked in the paediatric intensive care unit of a Texas hospital.
Police were called in after a suspicious number of patients died while in Daniela Poggiali's care.
German nurse Stephan Letter was tried over the murders of 29 patients, later stating that he acted to spare their suffering.
Dialysis nurse Kimberley Clark Saenz poisoned patients by injecting bleach into their bloodstream.
Real crime. Chilling series looking at nurses who kill their patients. Niels H adminstered lethal doses of drugs to patients in order to later 'show off' his resuscitation skills.
Real crime. Chilling series looking at nurses who kill their patients. Colin Norris targeted elderly patients by adminstering them unnecessary doses of insulin.
Real crime. Grisly tales of nurses who go on to kill their patients. Victorino Chua was sentenced to life in prison after poisoning countless patients at a Manchester hospital.
New Jersey nurse Charles Cullen's victim count is believed to total as many as 300 people.
After killing his first wife in a staged car crash and attempting to murder his second, Malcom Webster intended to use his nursing skills to kill a third woman before being caught.
Anne Grigg-Booth was accused of murdering three patients at a hospital in Yorkshire, but died of an overdose while awaiting trial. Was her drug and alcohol addiction to blame?
Efren Saldivar confessed to killing 40 to 50 patients over an eight-year period at a Los Angeles hospital by giving them lethal injections of muscle relaxants.
Megan Haines was jailed in 2016 for the calculated murders of two elderly patients in New South Wales by injecting them with lethal doses of insulin.
Jeannie Miata, also known as Jeanine Hannah, was convicted of murdering a 68-year-old Texas woman with a lethal dose of insulin in 2002. Inside prison, journalist Carolyn Canville asks her why she did it.
When nurse Roger Dean was caught on camera stealing drugs from an Australian care home to feed his addiction, he set the place on fire and killed ten people.
Vickie Dawn Jackson was convicted of killing ten patients at a Texas hospital with a paralysing drug. What drove the softly-spoken nurse to commit murder?
Sydney nursing home employee Garry Davis told his Facebook friends he hated old people, and days before two patients were found dead in their beds, he predicted they would die.
Cat-loving Canadian nurse Elizabeth Wettlaufer intentionally administered fatal doses of drugs to eight elderly victims. After killing, she would often post macabre poems online.
'Angel of Death' Donald Harvey is believed to have murdered nearly 60 patients, often by administering arsenic and cyanide, in a 20-year killing spree.
The case of care home worker Karen Pedley, who was given 14 life sentences in 2016 and found guilty of killing a 96-year-old resident by setting fire to her room.
The story of Sandra Weir, who acted as a carer for her elderly neighbour. But she was stealing from the pensioner to fund her drug addiction, leading to a tragic confrontation.
The case of New York paramedic Paul Novak, who boasted of committing the perfect murder after the dust had settled on the death of his first wife Catherine.
The case of carer Thomas Dunkley, who aided boxer Shaun 'The Guv'nor' Cummins after he became paralysed, and later killed and dismembered his patient.
The story of debt-ridden mother-of-three and night-time sex worker Beverley James. By day, she was meant to care for Harriet Davison, a frail woman she beat to death.
The story of care worker Thelma Purchase, who murdered a man rendered disabled by muscular dystrophy and who had earlier shown kindness to her and her family.
The murder of politician Kathy Augustine, who died after being given paralysing drug succinylcholine by her husband Chaz Higgs, a professional nurse.
The case of care worker Bunthawee Rimmer, who enjoyed a comfortable lifestyle as a live-in carer to Paul Norfolk. When she was made the main beneficiary in Paul's will, Rimmer stood to inherit almost £350,000 and resorted to a hammer attack to ensure he would not change his mind.
When an autopsy revealed high levels of insulin in Eric Lloyd's body, police realised his widow, nurse Marie Whiston, had been using her medical skills not to care but to kill.
When Alice Grant died it was sad, but not unexpected. The 84-year-old needed round-the-clock care from her nurse Alison Firth. What nobody expected was how much Firth would resent the extra care her vulnerable patient required, or what lengths the lazy nurse would go to in order to avoid the work.