U.S. authorities said on Monday they had found no direct links between Islamic State militants and the gunman who killed 49 people at a gay nightclub in Orlando, describing him as a homegrown extremist who was inspired by radical Islamist groups.
Omar Mateen, the perpetrator of the worst mass shooting in modern U.S. history, had expressed support for multiple armed Islamist movements and people, which "adds a little bit to the confusion about his motives," FBI Director James Comey said.
Mateen, 29, the U.S.-born son of Afghan immigrants, was fatally shot by police who stormed Orlando's Pulse club with armored cars after a three-hour siege.
"So far, we see no indication that this was a plot directed from outside the United States and we see no indication that he was part of any kind of network," Comey said in Washington. "We're highly confident this killer was radicalized at least in some part through the internet."
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