The film follows the research of psychiatrist Dr. Dorothy Otnow Lewis who studied the psychology of murders. Richard Burr, Catherine Yeager, Park Dietz and Bill Hagmaier also appear in the film.

Initially, Alex Gibney asked Dorothy Otnow Lewis if she would consult on a planned miniseries he was doing which was set to star Laura Dern as a psychiatrist who saw patients on death row, Lewis was delighted and agreed, and showed Gibney …

The film was set to have its world premiere at South by Southwest in March 2020, however, the festival was cancelled due to the COVID-19 pandemic. The film instead had its world premiere at the CPH:DOX on March 18, 2020. The film screened at the …