"O'Callaghan is back with a vengeance ..." -- Gregg Olsen, #1 New York Times bestselling author Is there a sociopathic killer on the loose and murdering prostitutes in New York City?  NYPD’s top cop, Homicide Commander Lieutenant John Driscoll, believes there is.  Someone who calls himself “Tilden” and claims to have been sexually abused as a child by his mother’s john. But what could have triggered Tilden’s rage that has him on … [Read more...]