variations of the 'BTK killer' moniker, or simply 'BTK.'"

He also sent the police photographs of his bound victims, along with letters he referred to as chapters. He once even sent the police a word puzzle that contained last name hidden within the text.

Over the course of the three decades he remained at-large, his list of aliases included these:

BTK

​Ethan Truman

Happ Kakemann

​Bill Thomas Killman

​The BTK Strangler

The BTK Killer

The Wichita Strangler (self-named)

The Poetic Strangler (self-named)

The Asphyxiater (self-named)

The Garrote Phantom (self-named)

The Bondage Strangler (self-named)

The Wichita Hangman (self-named)

5. He had a portable "hit kit."

"Each time he struck, Rader said he was armed with what he calls his hit kit... 'Plastic bags, rope, tape, knife, gun... all those would be in the kit and I'd have then in the house and gather them up."

6.learning the movements and routines of the women he targeted. If something seemed off or something seemed like it would make the murder too challenging to carry out, he would simply move on to his next potential victim. After his arrest in 2005, many women came forward with stories about nights on which they believe he may have intended to kill them, but luck took them out of their routine, and therefore out of his planned attack.

Part of the reason he enjoyed staying in contact with the press was the thrill he got from the sense of terror he knew he was inflicting on the people around him in Wichita. He titled his attack on 25-year-old Nancy Jo Fox "Project Fix Hunt."

"That was part of his MO: He