Twisted: Top 10 Sadistic Serial Killers (NaN)

TWISTED: The 10 Most Sadistic Acts of Serial Killers is a wild, true-crime ride that delves into the sick and sadistic methods of the world’s 10 worst serial killers. In this gruesome special, we rank the world’s most notorious serial killers beginning at number 10, until we reach the most sadistic sicko of all!