Serial Killers and How They Got Caught

Sometimes the world must seem a very unsafe place, with stalkers hiding down any dark alley, or dangerous housebreakers waiting until the lights go out. We've all heard tales of the bogeyman, whose pleasure it is to hunt down vulnerable men or women and torture them to death. It is the stuff of modern nightmares. Unfortunately, serial killers do exist. But nowadays they are more likely than ever to be caught. Advances in DNA profiling, the proliferation of CCTV, the ubiquity of digital tech...