The Long Island Serial Killer This monster has been active since 1996. Targeting sex workers that he finds online (eight of the victims used Craigslist to advertise their services). This killer has managed to bemuse law enforcement with an array of diverse victims. The Smiley Face Killers 45 young males across America drowned in 20 years across 11 different states and while this may sound like an unfortunate statistic, law enforcement believes that the drownings are the work of a group of serial killers, abducting men and giving the impression of drowning. West Mesa Murders In the American state of New Mexico between 2001 and 2005 - eleven women were murdered and buried in an arroyo bank. The bodies were not discovered until 2009. The majority of victims were in the sex and drug industry. Once again showing the inherent dangers to vulnerable women in society. They are also known as the West Mesa Bone Collector. The Texas Killing Fields Over 30 bodies were found stretching back