"I have been trying to work with Zac Efron for a long time," producer Nicolas Chartier said to Variety . "From his dramatic turn in Paperboy to his hilarious performance in Neighbors, he continues to impress audiences and critics alike with his extraordinary versatility and range. We couldn't be more excited to see him in this amazing role."

The diner scene was filmed in Newport Ky at "The Pepper Pod Restaurant" a local eatery that has been in business since 1956 and is still owned by the same family.

Filming was carried out at Clermont County Jail near Cincinnati, OH in January 2018.

Acting debut of Metallica frontman James Hetfield. Director Joe Berlinger had previously worked with Hetfield and his band on the documentary Metallica: Some Kind of Monster (2004).

The University of Washington Law School law library scenes were filmed in Northern Kentucky University's Salmon P. Chase College of Law in Highland Heights, Kentucky on February 17, 2018.

This will be the first time that James Hetfield from Metallica acts. He has also worked with Director Joe Berlinger on the documentary Metallica- Some Kind of Monster.

The courtroom scenes were filmed at the U.S. Post Office in Covington, Kentucky which was formerly the home of the U.S. District Court

Some of the jail and prison scenes were filmed at the Clermont County Jail and Lebanon Correctional in Southwest Ohio, as well as Williamstown in Northern Kentucky.

At the time there were many people that could not believe Ted did those things. He made many friends in Salt Lake that followed the trial closely. Most only heard the evidence allowed in the trial. The whole experience deeply disturbed many people for years.