25 most evil serial killers in history of the world – Their evil deeds will shock you (+Photos)

20 Dennis Rader (the BTK Killer)

Dennis Raider murdered 10 people in Sedgwick County, Wichita, Kansas between 1974 and 1991. Obsessed with notoriety, Raider sent taunting letters to police under the name BTK which stood for ‘Bind, Torture, Kill’. Rader stalked his victims before breaking into their homes, then binded their limbs before strangling them. Having disappeared in 1988, BTK remerged 2005 when he sent a floppy disc to the press which was to be his downfall. Tracing him via the floppy disc, Rader was arrested and charged upon which he immediately confessed. He is serving 10 consecutive life sentences with an earliest possible release date of February 26, 2180. Also See: 10 Worst effects of fast foods they will NEVER tell you – Make sure you see this!