The BTK serial killer evaded capture for over 3 decades before finally being nabbed. He was on the loose, from 1974 to 2005, but cops finally managed to arrest him and put him on trial, the Associated Press reported. During that period, the serial killer took the lives of at least 10 people and left the Wichita residents in a constant state of fear and panic. The face behind the ‘BTK killer’ moniker was revealed to be Dennis Lynn Rader, who is currently serving multiple life sentences without a possibility of parole, Cosmopolitan reported. There are a lot of lesser-known details about the murd…