Oklahoma Blue

A serial killer is on the prowl in the Panhandle of Oklahoma, and he has been killing for years. He thinks he's a kind of superhuman, uncatchable, untraceable, never apprehended, never charged with any crime. The killing is investigated in Cimarron County by Detective Aldridge, Deputy John Hedges of Boise City Sherrif's Department and by Madison Griffiths of OSBI. But Deputy Callista Hedges, sister of John, who's trying to put her personal life on to some kind of stable footing, has taken a...