21st Century Psychos: The Most Horrifying Killers of the Modern Era

Even as security has grown ever stronger and the techniques to catch criminals are more advanced than ever, serial killers still find a way to conduct their murderous business. In the 21st century, violent killers have used modern technology to help them commit their horrific crimes. Some look to the internet to stalk their victims, while the dark web is home to a shadowy world of illegal weapon sales, murder-for-hire sites and criminal forums providing tips on how to kill and get away with...