Kaitlyn Dever's mother, who died of cancer last year, approved of Netflix's "Apple Cider Vinegar," a new series about a scammer who fakes cancer.

This interview contains spoilers from "Apple Cider Vinegar," now streaming on Netflix. Stories about American scammers have proliferated the true-crime genre in recent years - Amanda Seyfried won an Emmy for portraying Elizabeth Holmes in Hulu's "The Dropout,