John McMahon

An electrifying mystery featuring a troubled small-town police detective faced with three interwoven crimes that reveal sinister secrets about his community—and the deaths of his family, by the Edgar Award-and Thriller Award- short-listed author whose novels have been described by the New York Times Book Review as "pretty much perfect."
In the years since the mysterious deaths of his wife and child, P.T. Marsh, a police detective...

Head Cases follows an enigmatic group of FBI agents as they hunt down a murderer seeking his own justice in this electrifying—and commercial—series debut.
FBI Agent Gardner Camden is an analytical genius with an affinity for puzzles. He also has a blind spot on the human side of investigations, a blindness that sometimes even includes people in his own life, like his beloved seven-year-old daughter Camila. Gardner and

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