Deviant Ways — Chris Mooney

A former FBI profiler whose life had been shattered by a psychopath's unspeakable crime, Jack Casey has started over as a detective in a posh coastal community outside Boston, but his new life is threatened by the arrival of the Sandman, a demented killer who stalks entire families and neighborhoods, who uses hidden cameras to track his crimes and his new adversary, Jack. A first novel. Reprint.