Relentless

When 21-year-old Christina Whittaker disappeared in the small town of Hannibal, MO, a frantic search immediately ensued. Eight months later, filmmaker Christina Fontana met Whittaker's mother when filming a documentary about the families of missing persons. Little did Fontana know, this one case would lead her down a dark path full of conspiracies, betrayals, suicide and murder. Using more than 400 hours of footage from field investigations and video diaries filmed over 11 years, this documenta…