Twisted Prey by John Sandford

Lucas Davenport confronts an old nemesis, now more powerful than ever as a U.S. senator, in the thrilling new novel in the #1 New York Times -bestselling Prey series

Lucas Davenport had crossed paths with her before.

A rich psychopath, Taryn Grant had run successfully for the U.S. Senate, where Lucas had predicted she’d fit right in. He was also convinced that she’d been responsible for three murders, though he’d never been able to prove it. Once a psychopath had gotten that kind of rush, though, he or she often needed another fix, so he figured he might be seeing her again.