Above Suspicion

Above Suspicion is a movie starring Emilia Clarke, Jack Huston, and Sophie Lowe. The story that leads to the first conviction for murder of an FBI agent.
The chilling true story of a newly married FBI poster boy assigned to an Appalachian mountain town in Kentucky. There he is drawn into an illicit affair with an impoverished local woman who becomes his star informant. She sees in him her means of escape; instead, it's a ticket to disaster for both of them.