Kevin Flynn (Crime Writers On..) talks with director Liz Garbus about her film Lost Girls. Based on the book Lost Girls: An Unsolved American Mystery by Robert Kolker. The film follows Mari Gilbert (Amy Ryan) as she searches for her missing daughter Shannan. Meanwhile, the police uncover four more bodies and suspect a serial killer is on the loose. There will be spoilers, so make sure you've watched the whole film before pressing play.