A view of the Islamic Center of Fort Pierce where Pulse nightclub shooter Omar Mateen had worshiped on June 14, 2016 in Fort Pierce, Florida. Forty-nine people were killed and 53 others wounded when a heavily armed gunman opened fire and seized hostages at a popular gay nightclub in Orlando, Florida -- the worst terror attack on US soil since September 11, 2001. / AFP PHOTO / Brendan SmialowskiBRENDAN SMIALOWSKI/AFP/Getty Images ORIG FILE ID: 553043076