Flowers are put in a window shattered by a bullet as a forensic marker sits next to the impact as people pay their respect to the victims at the site of the attacks on restaurant Le Petit Cambodge (Little Cambodia) and the Carillon Hotel on the first of three days of national mourning in Paris, Sunday, Nov. 15, 2015. Thousands of French troops deployed around Paris on Sunday, and tourist sites stood shuttered in one of the most visited cities on Earth while investigators questioned the relatives of a suspected suicide bomber involved in the country’s deadliest violence since World War II. (AP Photo/Peter Dejong)

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