Post-production is currently underway.
In 2017, nearly two decades after Williams vanished, Brian Winchester admitted shooting his friend.
A year later, Denise Williams was convicted of plotting to kill her husband.
Kathy Winchester will be among those interviewed for the Hulu seriesLaw & Crime
Little Miss Innocentspotlighted convicted killer Kaitlyn Conley as she attempted to explain why she was wrongfully sent to prison.
