The Saudi Arabian military student reportedly condemned the United States as a "nation of evil" before going on a rampage on Friday at Naval Air Station Pensacola in Florida, killing three people and wounding eight.
"We now assess there was one gunman who perpetrated this attack and no arrests have been made in this case", Special Agent Rojas, the lead investigator on the case, said at a news conference.
Rojas said on Sunday that the attacker used a Glock model 45 9mm handgun that he had purchased legally in Florida.
Mohammed Alshamrani, according to authorities, was one of about 200 foreign nationals receiving training on the naval air base as part of a program in which us allies send members of their armed forces there to study aviation.
"Like many other Saudi military personnel, I was trained in a USA military base, and we used that valuable training to fight side by side with our American allies against terrorism and other threats", Prince Khalid said on Twitter. "I don't want prejudge the investigation, but it appears that this may be someone that was radicalized".
The official told The Associated Press that while Friday's shooting was underway, one of the three students who attended the dinner party recorded video outside the classroom building where the attack took place and that two other Saudi students watched the shooting from a vehicle. The AP reported that more than 850 Saudis are among the 5,000 foreign students presently in the US for military training activities.
"This has been done for many decades", Trump said of the training programmes on Saturday.
Oil prices slip as weak China exports highlight trade war impact
OPEC and allies officially agreed on Friday to cut production by an additional 500,000 barrels per day beginning next month. Elsewhere, sterling traded at $1.3143, not far from a seven-month high of $1.3166 set on Thursday.
US Politicians have called for stricter screening of the hundreds of foreign nationals who travel to the States every year for military training.
The young officer was reported to have played videos of mass shootings at a dinner earlier in the week with other Saudi aviation students, according to USA media reports on Saturday that cited an unnamed person briefed on the investigation.
(Dec. 6). Florida's governor has confirmed that the shooter at the Naval Air Station Pensacola was a Saudi military member who was in aviation training at the base.
Authorities are still searching for a motive for the rampage which also injured eight others.
"The NAS Pensacola shooter is identified as Saudi national Mohammed Alshamrani", the Bureau's Jacksonville office said on Twitter.
Rojas would not comment on reports that other Saudi students videoed the shootings. O'Brien said Friday's attack looked like it was carried out by an individual who may have been radicalized, either on US soil or overseas. "I think we need to let the investigators, the FBI, do its work and ... get us the facts, and we'll move out from there", Esper said, according to Politico.
The shooting suspect was identified by the Federal Bureau of Investigation as 21-year-old Mohammed Alshamrani, who was in the Royal Saudi Air Force and was a student naval flight officer of Naval Aviation Schools Command. "I think what we should do is start negotiating with Pakistan".
Three US Navy sailors were killed when they "didn't run from danger" after the gunman opened fire at the base, US Navy officials said. More than 850 Saudis are in the United States for various training activities. Two Saudi students watched from a vehicle, the official said. The fatalities included Airman Mohammed Hathaim, 19, from St. Petersburg, Fla., Ensign Joshua Kaleb Watson, 23, from Coffee, Ala. and Airman Apprentice Cameron Scott Walters, 21, from Richmond Hill, Ga. He said the investigation remains underway.