publication date: Friday, July 19, 2013 (part of Summer 2013)
clue: She once worked a children's ward, and is now a ward of the state.
explanation: Allitt was a pediatric nurse in Britain who killed her young patients and was given a life sentence. more…
solved by: Russ Wilhelm, Steve West, Samir Mehta, Justin Woods, LaVonne Lemler, Chris Lemler, Joanna Woods, Richard Slominsky, Mike Rothstein, and Jason Lemler
The rarity of female killers is precisely what turns the criminal cases against them into media circuses. Some of these five murderesses were convicted and others were acquitted, but all five are commonly considered some of the world's most notorious female murderers.