"When Corie Geller asked her parents to move from their apartment into the suburban McMansion she shares with her husband and teenage daughter, she assumed they'd fit right in with the placid life she'd opted for when she left the Joint Terrorism Task Force of the FBI. But then her dad gets a call from genial and slightly nerdy film professor, April Brown--one of the victims of the case he was never able to solve. When April was five years old, she'd...