The genre of True Crime is booming at the moment with endless documentaries to devour. The gruesome subject has rocketed into popular culture of late even inspiring fictionalised TV shows about FBI profilers such as Mindhunter or film adaptations such as the Ted Bundy biopic Extremely Wicked, Shockingly Evil and Vile.
There are some crimes that shock people to their core, the truly horrific or particularly unnerving often are the focus of these explorations. Serial Killers such as the Coed Killer or Richard Ramierez are remembered for the horror of their actions but not necessarily the length of their reign of terror. Others are infamous for the complete mystery of their identity, the Zodiac Killer being the most well known of those.
However, there is a large number of serial killers who remained undetected for years, allowing the number of victims to grow and grow. Despite the efforts of the police at the time, these ten mass murderers managed to evade capture for a varying numbers of years.
Some were captured before they could cause any more harm, others were left lying low for years...