It was a slow and—sort of—underwhelming reveal this season.
This post for The Sinner Season 2 contains spoilers.
The second season of The Sinner focuses on Detective Harry Ambrose (Bill Pullman) and the double murder case caused by the 13-year-old Julian Walker (Elisha Henig). Amidst the murder investigations, the series also attempts to explore Detective Harry’s past and the story behind Heather’s (Natalie Paul) missing friend Marin (Hannah Gross).