People wait for a vigil outside the Dr. Phillips Center for the Performing Arts for the mass shooting victims at the Pulse nightclub June 13, 2016 in Orlando, Florida. The American gunman who launched a murderous assault on a gay nightclub in Orlando was radicalized by Islamist propaganda, officials said Monday, as they grappled with the worst terror attack on US soil since 9/11. / AFP / Brendan Smialowski (Photo credit should read BRENDAN SMIALOWSKI/AFP/Getty Images)
