Episode description

In the early '70s, Julian Schacknow traveled to Trumbull, Connecticut to form a new religious sect. The "Sinful Messiah" (his nickname for himself) claimed to have a clear path to finding salvation.... but at a price.

Sources:

https://www.investigationdiscovery.com/crimefeed/id-shows/sinful-messiah-the-work-cult-multiple-wives-exploitive-labor-murder

https://www.courant.com/news/connecticut/hc-paul-sweetman-slaying-20180801-story.html