The FBI has recovered footage from security cameras at Orlando's Pulse nightclub, where the deadliest mass shooting in recent U.S. history took place last Sunday, the Orlando Sentinel reports.
Forty-nine people were killed and 53 were wounded in the attack, which took place in the early hours of Sunday when Omar Mateen, 29, of Fort Pierce, entered the gay nightclub on its popular Latin night and fired off more than 200 rounds of ammunition from a handgun and an assault rifle. He died in a shootout with Orlando police.
>> Read more coverage of the Orlando nightclub shooting
According to the Sentinel, citing an unnamed law enforcement official, the video shows a “minute-by-minute” replay of the “cold-blooded massacre.”
The Los Angeles Times, also citing law enforcement officials, reported that examining security camera vision from a crime scene is "a basic step in any criminal investigation."
It was later established that Mateen, who had been investigated twice by the FBI for possible ties to terrorist organizations in 2013 and 2014, purchased his weapons legally from a Port St. Lucie firearms dealer.
Mateen was a security guard for global security firm G4S and, before that, had held a position as a corrections officer at Martin Correctional Institute for around seven months before being "administratively dismissed."
The warden who dismissed him, P.H. Skipper, said he sought a probationary dismissal over concern about Mateen's comments referencing the Virginia Tech massacre, which happened just days after Mateen told a classmate about bringing a gun to school.
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