K9 Search Specialist Denise Corliss and her search dog Bretagne in Houston, Texas. Bretagne the last known living 9/11 search dog has died in a Houston suburb at age 16. Bretagne was 2 years old when she and her handler, Corliss, were part of the Texas Task Force 1 sent to the World Trade Center site in Lower Manhattan after the terrorist attack brought down the buildings on September 11, 2001. This September 11, 2002, photo. (D Fahleson/Houston Chronicle via AP) MANDATORY CREDIT
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