Dennis Lynn Rader is an American serial killer known as Wichita Kansas' "Bind Torture Kill" aka "BTK" who was convicted of 10 murders which occurred between 1974 and 1991. 

8 1/2" x 11" crime scene photo of one of the Otero victims.  Hand signed three times by Rader on the front, Dennis L. Rader, Dennis L. Rader, AKA "BTK Killer"