Sexual arousal or attraction to someone who is/has committed serious criminal acts, such as Mass Murders, Rapists, and other notorious crimes.
Some of the more noted cases involve the Manson group, where people were attracted to the man, and ended up doing his bidding, which was Murder.
Other notables is the case of Doreen Lioy and serial killer Richard Ramirez.
The attraction takes many different forms.
Can simply include fan mail to notorious criminals, expressing romantic desires, sexual even.
Has been noted to develop to obsession of that person, to the point of even desiring to foster their offspring, or engage in intimate relations with them.
Also known as the Bonnie and Clyde syndrome.
This condition is also considered to be potentially lethal, or at the very least put the person at risk.