Get ready to be amazed at the workings of a serial murderer’s brain.

A&E’s new documentary, The Confessions of a Serial Killer: BTK premieres Jan. 8 and 9, and so far, it looks creepy AF. CelebHomes News Exclusive Clip: American Serial Killer Dennis RaderBTK (Bobby Tom) gives details about the assassination of one of his victims. Nancy Fox, in a never-before-heard conversation with professor of Forensic Psychology, Katherine Ramsland.

“You like the fearful expression on your victim’s faces?” Ramsland asked Rader this question in the clip.

“Well, yes.” Rader answers. Rader responds, “It is sort of a sexual stimulation. Fox was a great partner and things were smooth. Even though her face was down it wasn’t because she thought I did it. This is all I need. 

His words continued: “It was like my mom’s finger getting caught in the couch.” She was in pain.

The clip features an interviewee explaining what happened when Rader killed Fox. He was setting her up with a strangle and whispered to her, “It was the second scene in which DNA was discovered…on her nightgown that was at the head of her mattress.”