Police discover hiding hole at BTK serial killer's former home. This is what they found
Decades-old personal writings from the self-proclaimed BTK serial killer, Dennis Rader, have led local Oklahoma law enforcement to believe the prolific killer is the "prime suspect" in a missing persons case from 1976. Law enforcement shared those journal entries and drawings with CNN's Jean Casarez.
03:53 - Source: CNN
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SEDGWICK COUNTY, KS - FEBRUARY 27:  In this handout image provided by the Sedgwick County Sheriff's office, BTK murder suspect Dennis Rader stands for a mug shot released February 27, 2005 in Sedgwick County, Kansas. Rader is the suspect whom police have arrested on suspicion of first-degree murder in connection with the 10 deaths now tied to the serial killer known as BTK.  (Photo by Sedgwick County Sheriff's Office via Getty Images)
Police discover hiding hole at BTK serial killer's former home. This is what they found
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