“Above Suspicion,” in theaters Friday, is a tragic tale of how FBI agent Mark Putnam’s ambition and informant Susan Smith’s wild infatuation collided with deadly consequences.

Mark Putnam was an FBI agent famous for killing Susan Smith. While in prison, his wife died, and he eventually remarried. Who is Mark's current wife?

Susan Daniels Smith was 27 and pregnant when FBI agent Mark Putnam strangled her to death on June 8, 1989, in Pike County. Police file/Family photo The story of slain FBI informant Susan Smith of ...

Hurricane Mayor Scott Edwards announced the death of former Putnam County Sheriff Mark Smith after a short battle with cancer.

‘Game of Thrones’ star Emilia Clarke, left, will portray Susan Daniels Smith in a new movie to be filmed in Kentucky. Smith was killed in 1989 by her lover, Pike County FBI agent Mark Putnam ...

Susan Smith, who admitted to drowning her two children 30 years ago, was unanimously denied parole after she appeared before the board for the first time on Wednesday.

"Above the Suspicion" is based on the murder of Susan Smith. She was killed by FBI agent Mark Putnam.

Putnam, now 41, has completed a 10-year prison sentence for killing Susan Daniels Smith, his informant and lover while he was stationed in Kentucky.

Smith was a retired captain with the West Virginia State Police and was the Putnam County sheriff from 2005-12. Those who knew him said he made everyone around him better.