Who was the new suspect?
That was revealed on The Sinner Season 2 Episode 5 when Ambrose learned some more shocking facts about how the parents of the kid in the frame were killed.
Meanwhile, a rift developed between him and Heather because they were both on different sides of the tracks.
However, they resolved to try and crack the case before taking their relationship to another level.
Did someone else try to take one of them down?
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Paul Dailly is the Associate Editor for TV Fanatic. Follow him on Twitter.