A co-worker murdered 27 patients, and all the evidence showed up before him, but he never put the evidence together.

This is even more scary-look, a nurse in Illinois murdered twelve patients before the cops caught on and figured out that she was their serial killer.

January 31 - Dr. Harold Shipman is found guilty of murdering 15 patients between 1995 and 1998 and sentenced to life imprisonment.

A co-worker at his hospital was an Angel of Death, murdering 27 patients.

In 2001, Japanese nurse Daisuke Mori was reported to have murdered 10 patients using vecuronium bromide.

Between 1975 and 1998, he murdered at least 215 patients; he is suspected of having murdered 250 people.

Mr. Angelo is charged with murdering four patients and assaulting three others in the fall of 1987 by injecting them with neuromuscular blocking drugs.

He did admit to murdering five patients between January and September 1996, again with overdoses of digoxin.

In the past year, a mild-mannered country doctor was convicted of murdering 15 elderly patients, with prosecutors saying 250 more deaths might be attributable to him.

In October 1999, Majors was found guilty of murdering six patients, and was sentenced to 360 years in prison.