Retired police detective chief Edward Delaney is called back to the force to hunt a killer who's crazy like a fox     On a rainy November night, Dr. Simon Ellerbee stares out the window of his Upper East Side psychiatry office, miserably wishing he could seek counseling for the problems in his seemingly perfect life. He hears the door buzzer and goes to answer it, but flinches when he sees his unexpected guest. Minutes later, he's dead, his skull...