SPOILER ALERT: 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,” Julia Garner played Anna Delvey in Netflix’s “Inventing Anna,” and Jared Leto and Anne Hathaway […]