Richard Angelo (born August 29, 1962) is an American serial killer who operated within Long Island and West Islip, New York.
He graduated from St. John the Baptist Diocesan High School in 1980 and then entered a two-year nursing program at Farmingdale State College, where he was a well-regarded honor student.
[3] Angelo first came to the attention of the public in October 1987 when he was suspected of poisoning a patient at then Good Samaritan Medical Center.
[4] Following his arrest, Angelo confessed to having poisoned other patients with pancuronium and Suxamethonium chloride, both of which are paralytic agents used in anesthesia.
[5] In all, Angelo was suspected of poisoning at least 35 people at the hospital while working there for seven months, though the medical examiner was unable to conclusively attribute the deaths to the injections.