Investigation Discovery continues its heritage of providing in-depth, compelling documentaries & series that challenge viewers to think about key issues that shape our culture and define our world.

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Detectives investigate the murder of 20-year-old Joseph Douglas, shot execution style in Texas; when leads stall and rumors swirl, his mother turns to Texas Ranger Jim Holland, who reopens the cold case to pry loose the truth from guarded suspects.

Killer Confessions: Case Files of a Texas Ranger

Obstacles to Justice

Investigation Discovery HD

When two children turn up dead in a hot car, police suspect their mother is lying; Ranger Holland joins the investigation to find out what really happened; he confronts the mother in a series of interrogations that ultimately reveal the truth.

A Mother's Manipulation

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Investigation Discovery continues its heritage of providing in-depth  compelling documentaries & shows.

After Ranger James Holland receives a phone call from the Pennsylvania State Police, he finds himself face-to-face with a witness who could be the key to solving one of the oldest cold case mysteries in the history of the state.

True Crime Lies

Hurricane Harvey hits Houston, realtor and mother Crystal McDowell disappear; with local resources strained and leads scarce, an abandoned car and a mysterious figure on surveillance prompt authorities to call in Texas Ranger Jim Holland for answers.

Lie, Cheat, Kill Evil

After four women vanish, fear grips Texan communities, and desperate families seek answers; with a potential serial killer back in the spotlight, Texas Ranger Jim Holland launches a high-stakes interrogation that tests wills and aims for the truth.

Pathologically Evil

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An elite Texas Ranger with a reputation as a serial killer whisperer gets stunning confessions to unsolved murders across the country.

S1 E1 | Pathologically Evil