Information from Keyes's psych evaluation, and a revelation regarding Kimberly's brother, shine a light on how Keyes was able to exploit the people in his life in order to fly under the radar. And we take a look at a string of crimes in Modesto and Southern California. // Written, researched, and produced by Josh Hallmark. Research assistance by Thom Brown, Michelle Kaszuba, Andrew French, Michelle Tooker, and Shana Wilensky. // Resources include: NAMUS, The Charley Project, The FAA, Flight Aware, The Modesto Bee, and The Lompoc Recorder. // Music by: William Hellfire, Amulets, LaBon, Radical Face, Whithe, Sergey Cheremisinov, Lee Rosevere, Underbelly and Ty Mayer, and featuring "Fall Hard" by Heather Woods Broderick.