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Then and now. Tony Zintsmaster and Kaiser, one of a few remaining search-and-rescue dogs deployed during 9/11. (
By R. Scott Nolen
(
Deep inside the condemned building, a person hides in a closet, the door closed tight. Outside the room, far down a long hallway, a black Labrador Retriever is released. The dog bolts down the corridor, darting in and out of empty rooms as if pulled by an invisible leash.