[Warning: This post contains MAJOR spoilers from All Her Fault. ]

All Her Fault was filled with unexpected moments, but perhaps no twist was more shocking than Marissa Irvine ( Sarah Snook ) killing her husband, Peter ( Jake Lacy ), in the finale. After coming to terms with all of the horrible things Peter had done (in

When Detective Alacaras ( Michael Peña ), the man who was investigating the kidnapping of Marissa and Peter’s son, Milo, figured out what Marissa had done and confronted her about it, she looked him in the eye and denied his allegations. But rather than pushing, Alcaras let it go and walked away, ultimately ruling Peter’s death as accidental.

“I remember when I was rehearsing it, I had such a hard time with [him] being like, ‘I’m OK with it,'” Peña tells TV I

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