Family members gather for the 15th Anniversary of September 11 at the 9/11 Memorial and Museum, on September 11, 2016 in New York. / AFP / Bryan R. Smith (Photo credit should read BRYAN R. SMITH/AFP/Getty Images)
Family members gather for the 15th Anniversary of September 11 at the 9/11 Memorial and Museum, on September 11, 2016 in New York. / AFP / Bryan R. Smith (Photo credit should read BRYAN R. SMITH/AFP/Getty Images)