Notorious serial killer Ted Bundy helped long-time girlfriend Elizabeth "Liz" Kloepfer raise her young daughter for years before his arrest.

Cleveland serial killer Anthony Sowell's younger sister faced rage and “death threats” because of his gruesome crimes. 

A serial killer, Edward Wayne Edwards, left behind a trail of death, forcing family to reckon with his gruesome crimes.

Canadian serial killer Elizabeth Wettlaufer’s murders ended after she confessed to a childhood friend.