Jack Unterweger was an Austrian serial killer who murdered several women before committing suicide in 1994. In 1976 jailed for murder but became a literary sensation while in prison. Out on parole, he killed nine prostitutes before being caught once more.

The chilling story of Austrian author and serial killer Johann “Jack” Unterweger. Convicted in 1976 for the brutal murder of 18-year-old Margaret Schäfer, strangled with her own bra, Unterweger was sentenced to life in prison. Behind bars, he reinvented himself as a writer, publishing poetry, plays, and an acclaimed autobiography that portrayed his crimes as the product of a troubled youth. His transformation into a literary figure won him the support of intellectuals and politicians, who campaigned for his release. In 1990, after serving just 15 years, Unterweger walked free — hailed as a symbol of rehabilitation.... or was he?

A true crime author returns to Dallas, uncovering evidence that challenges the suicide rulings of three mysterious deaths from his past.