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Brother says Pensacola shooting victim saved countless lives: "He died a hero"

Questions after deadly Navy base shooting
Deadly Florida Navy base shooting: Saudi Air Force trainee kills three, himself 03:53

Pensacola, Florida – Joshua Kaleb Watson was one of three people killed by a gunman Friday at Naval Air Station Pensacola, CBS News has learned. 

The 23-year-old graduated this year from the United States Naval Academy, CBS News' David Begnaud reports. As a student, the Alabama native made the Dean's List, and he was captain of the rifle team.

Watson's brother said in a Facebook post his final act saved countless lives. 

"After being shot multiple times he made it outside and told the first response team where the shooter was and those details were invaluable," Adam Watson posted. "He died a hero," he said, adding, "we are beyond proud."

Joshua Kaleb Watson

The other two slain sailors have been identified as Airman Mohammed Sameh Haitham, 19, and Airman Apprentice Cameron Scott Walters, 21. Both were students at the Naval Aviation Schools Command.

"The sorrow from the tragic event on NAS Pensacola will have a lasting impact on our installation and community," Captain Tim Kinsella, commanding officer of NAS Pensacola said in a statement. "We feel the loss profoundly and grieve with the family and friends of the deceased. The Sailors that lost their lives in the line of duty and showed exceptional heroism and bravery in the face of evil.  When confronted, they didn't run from danger; they ran towards it and saved lives. If not for their actions, and the actions of the Naval Security Force that were the first responders on the scene, this incident could have been far worse."

CBS News has learned the gunman's name was Mohammed Saeed Alshamrani, a Saudi Arabian national and a pilot-in-training for the Saudi Air Force. He had been training in the United States since 2017.

CBS News' David Begnaud reported Saturday night that the U.S. military's northern command is telling all military bases to increase security checks after Friday's attack. The FBI is not calling it terrorism, but they do have terrorism investigators on the scene. 

The FBI is investigating Alshamrani's social media posts and whether he acted alone. According to the Middle East Media Research Institute, a nonprofit based in Washington, D.C., someone matching Alshamrani's identity had an extensive online footprint.

In a Twitter post, the writer says, "O American people, I'm not against you for being American, I don't hate you because your freedoms, I hate you because every day you supporting, funding and committing crimes not only against Muslims but also humanity."

Investigators are looking for any signs of radicalization going back to Alshamrani's upbringing in Saudi Arabia. 

Investigators are not saying if the shooting was an act of terror. They have not stated a possible motive.

"We are not prepared at this hour to confirm what may have motivated the shooter to commit this horrific act today," Rachel Rojas, special agent in charge of the FBI Jacksonville Division, said Friday. 

The sprawling naval base was locked down on Friday after Alshamrani – one of a few hundred foreign nationals training at the Naval Air Station Pensacola – stormed a classroom and opened fire with a handgun. 

The FBI is trying to determine how a foreign national obtained a handgun, which is prohibited by law, and brought it onto the base. 

Defense Secretary Mark Esper said Friday he'll look at the vetting measures that go into accepting foreign nationals to be able to train. 

Saudi King Salman called President Donald Trump after the shooting.

"The King said that the Saudi people are greatly angered by the barbaric actions of the shooter, and that this person in no way shape or form represents the feelings of the Saudi people who love the American people," the president said on Friday. 

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