The labcoats have given this a sciency name: hybristophilia, sexual arousal for and love of someone who has committed heinous crimes.
Personally, I think the term is useful only as a descriptor of the behaviors of women at the extreme right tail of normal female sexual nature; it isn’t some alien subset of women it’s describing so much as it highlights what women are like when their natural urges are amplified to the point of pathology. All chicks dig jerks, but not all chicks dig serial killers. How many women are capable of falling in love with serial killers rather than just run-of-the-mill charming jerkboys? That is the question, and if the percentage is higher than 5% of women, we have to seriously rethink the wisdom of universal suffrage.