"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.

The chills were inspired, Knox said, partly by Van Patten nailing her personality quirks: her occasionally singsong voice, the snort in her laugh, the cha-cha in her step.