"I am in Orlando, and I did the shootings," Mateen told a 911 dispatcher in Arabic just after 2:30 am on June 12.
"In these calls, the shooter, who identified himself as an Islamic soldier, told the crisis negotiator that he was the person who pledged his allegiance to [omitted], and told the negotiator to tell America to stop bombing Syria and Iraq and that is why he was 'out here right now'," said the transcripts of the call.
Mateen killed 49 people and injured 53 others at a gay club in Orlando, Florida in wee hours of June 12.
"When the crisis negotiator asked the shooter what he had done, the shooter stated, 'No, you already know what I did'."
Also Read
The shooter continued, stating, "There is some vehicle outside that has some bombs, just to let you know. You people are gonna get it, and I'm gonna ignite it if they try to do anything stupid," it said.
Later in the call, Mateen that he had a vest, and further described it as the kind they "used in France".
The shooter hung up and multiple attempts to get in touch with him were unsuccessful, the FBI said.
The Speaker of the US House of Representatives Paul Ryan condemned the FBI for redacting portions of the transcripts.
"Selectively editing this transcript is preposterous. We know the shooter was a radical Islamist extremist inspired by ISIS. We also know he intentionally targeted the LGBT community. The administration should release the full, unredacted transcript so the public is clear-eyed about who did this and why," Ryan said in a statement.
(Reopens FES 121)
The FBI said there were no evidence that the
Afghan-origin shooter was directed by a foreign terrorist group.
"We currently have no evidence that he was directed by a foreign terrorist group but was radicalised domestically," Ron Hopper, FBI Assistant Special Agent-in-Charge told reporters at a news conference in Orlando.
The killer stated that he had an explosive device but none was found, he added.
Hopper said their investigation into the motives behind the killer and anyone who may have conspired with him or supported him continues.
"Please also keep in mind that the investigation of the shooting exchanged between police and the killer is ongoing," he said.
Hopper said so far the Joint Terrorism Fast Force has conducted over 500 interviews.
"More than 600 pieces of evidence were obtained and processed from the crime scene. We've received thousands of tips based on our appeal to the public," Hopper said.