US man Henry Lee Lucas was convicted of the murder of his teenage common-law wife on November 9, 1983.

Lucas had professed that he did not mean to kill her, but the jury was unconvinced.

He had declared his innocence in that case, but over the 1980s he confessed to have committed a serial murder spree that involved as many as 600 victims.

At the time, Lucas was viewed as the most prolific serial killer of all time, confessing to the deaths of hundreds of women across the United States.

But it was all a lie.

For years, homicide detectives would employ tactics to win over their suspects in exchange for a confession.

They would offer food and drink and access to perks in prison while the suspect was cooperating with them.

Texas Rangers would take Lucas to cafes and restaurants where he

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