"The Twisted Tale of Amanda Knox," a new limited series about the 2007 case premieres Aug. 20. Here's what to know, including where to stream it.

Italian authorities thought they knew who killed Meredith Kercher in November 2007.

“Grace, I haven’t told you this yet — when they see you play me, they get chills,” Knox told Van Patten during a conversation with The New York Times last week.