WAUKESHA, Wis. (AP) – Animal-shelter officials in Waukesha say a local man being held in connection with a triple homicide in Lafayette County made a scene a few days earlier when he demanded that a dead dog he dropped off two weeks ago be returned to him alive.        Lynn Olenik is the executive director of the Humane Animal Welfare Society of Waukesha County. She says the 31-year-old suspect came in a few weeks ago with a clearly dead dog. She says he returned Thursday asking for the live dog back. She says he didn’t seem to understand the dog was dead, and he screamed that the staff members would pay for the dog with their lives. Police took him away in handcuffs.  A message left Wednesday with his public defender was not immediately returned.