Timothy Krajcir's five-year killing spree didn't come to light until twenty years after the fact, when DNA evidence set off a domino effect ultimately linking him to the murders of nine women.

Shunned by the gay and straight communities, Ronald Dominique opted to create his own existence—one in which he raped and killed more than two dozen men over the course of a decade-long spree.

One of four serial killers tormenting Louisiana in the late 1990s through the early 2000s, Sean Vincent Gillis saw women as a collection of parts—and set about turning them into just that.