"The Hunt for the BTK Killer" is based on the true story of murders that took place in what county?
The Hunt for the BTK Killer:  First shown on CBS it is based on the true story of Dennis Rader killing ten people from 1974 to 1991. Dennis Rader: Dennis Lynn Rader (born March 9, 1945) is an American serial killer who murdered ten people in Sedgwick County, Kansas between 1974 and 1991.
Sedgwick County