By Sadie Gurman and Dustin Volz 

WASHINGTON -- A Saudi aviation student who killed three people on a Florida Navy base last year had extensive ties to al Qaeda, investigators learned by accessing the gunman's iPhones, and top U.S. law-enforcement officials accused Apple Inc. of providing almost no help in the investigation.

The gunman, Second Lt. Mohammed Alshamrani, a member of the Saudi air force, had been communicating with a number of operatives of al Qaeda in the Arabian Peninsula for years, even before he began training with the U.S. military, officials said, a discovery that was made based on information recovered from his two locked iPhones.

"We received effectively no help from Apple" to access the phones, Federal Bureau of Investigation Director Chistopher Wray said during a press conference. The struggle to unlock the encrypted phones delayed the probe for months and potentially jeopardized public safety, he said.

The FBI, bypassing Apple's security features, was ultimately able to access information on both phones belonging to the gunman, but there is no guarantee that law enforcement could do that in a future case, Attorney General William Barr said. The information on the devices led to a a counterterrorism operation against an associate of Alshamrani in Yemen, Abdullah al-Maliki, Mr. Barr said.

The remarks were the government's strongest yet against Apple's stance on encryption, and escalated pressure on the company to provide law enforcement access to its technology and on Congress to consider legislation that could mandate technology companies to do so.

Apple didn't immediately respond to a request for comment, but has previously said that it cooperated extensively and immediately with the FBI to obtain available information about Alshamrani after the December attack, including iCloud backup data and account and transactional information.

The company and other major Silicon Valley firms, including Facebook, have said for years that undermining their security protocols would make all of their users vulnerable to malicious cyberactivity, a view shared by most independent experts.

Messrs. Barr and Wray didn't provide details about how they were unable to unlock the phones.

Alshamrani posted anti-U.S. messages on social media about two hours before he opened fire in a classroom at Naval Air Station Pensacola on Dec. 6, killing three and wounding eight more before he was fatally shot, officials have said. He had been communicating with al Qaeda operatives shortly before the attack, but Mr. Wray said his communications and radicalization dated back to as early as 2015.

"The evidence we've been able to develop from the killer's devices shows that the Pensacola attack was actually the brutal culmination of years of planning and preparation by a longtime [al Qaeda] associate," Mr. Wray said.

The gunman described a desire to learn about flying years ago, about the same time he talked about attending the Saudi Air Force Academy in order to carry out what he described as a "special operation," Mr. Wray said.

"And he then pressed his plans forward, joining the Air Force and bringing his plot here," he said.

Among other information that investigators found in Alshamrani's iPhone was a final will purporting to explain himself, Mr. Wray said. Al Qaeda's leader in the Arabian Peninsula released the will two months later, claiming responsibility for the attack. Officials wouldn't say whether al Qaeda directed the shooting, but described his relationship with the group as deep and complex.

"It is certainly more than just inspired," Mr. Wray said.

During the December gunbattle, Alshamrani paused to open fire at his iPhone, damaging it and causing investigators to believe it held critical clues about his planning. The second phone was also badly damaged. Some mobile-phone security experts said at the time that the FBI could likely work with a third-party vendor to unlock the phone, as it had done in previous cases, but Mr. Wray on Monday said that option had been exhausted and that no outside parties consulted had a solution.

"Unfortunately, the technique we developed is not a fix for our broader Apple problem," Mr. Wray said.

Investigators secured a court order for information from the gunman's devices within a day of the shooting but remained unable to get into his encrypted phones. In January, Mr. Barr criticized Apple publicly for what he labeled a refusal to provide any substantial assistance in the investigation, and said investigators were unable to gain entry into the phones.

At the time, however, senior Justice and FBI officials privately told congressional staff that there was nothing Apple could do to unlock the iPhones in question, The Wall Street Journal reported at the time, though the officials criticized Apple for not having created a method for doing so.

Mr. Barr on Monday also accused the iPhone maker of cooperating with China and Russia to move data centers within their borders, saying the company was more willing to work with authoritarian regimes than the U.S.

"There is no reason why companies like Apple cannot design their consumer products and apps to allow for court-authorized access by law enforcement, while maintaining very high standards of data security," Mr. Barr said. "Striking this balance should not be left to the corporate boardrooms. It is a decision that must be made by the American people through their representatives."

There was no immediate response from the Saudi government to the FBI's latest findings. The kingdom was quick to condemn the attack at the time, amid elevated tension between Washington and Riyadh.

Alshamrani's brother, Abdullah, reached by phone on Monday, declined to comment. "The topic is over," he said. His father told a Saudi-owned television channel in December there had never been any suspicions about his son.

The revelation comes as the FBI has been focused on preventing terrorist attacks inspired by Islamic State, though Mr. Wray told Congress in February that al Qaeda remains a top concern, even as U.S. counterterrorism efforts have degraded the group's leadership in the Afghanistan-Pakistan region and in Yemen.

The shooting also prompted the expulsion of 21 Saudi military students from the training program in which the gunman took part. They were immediately returned to Saudi Arabia on other violations. While some of them possessed jihadist or anti-U.S. material, there was no evidence they participated in the attack.

"Based on the FBI findings, and in addition to already executed protective measures, the department will take further prudent and effective measures to safeguard our people," Defense Secretary Mark Esper said Monday.

The attack raised questions about how the Defense Department screens potential Saudi trainees. The department suspended operational training programs for nearly three months for all of the approximately 850 Saudi military students training in the U.S. Mr. Esper also approved new restrictions on the use of firearms and access to government facilities for such students, who he said would be continually monitored while enrolled in U.S.-based training programs.

The FBI's findings are likely to reignite criticism in the U.S. and Europe of Saudi Arabia, which has struggled to improve public opinion about its day-to-day ruler, Crown Prince Mohammed bin Salman, who has promised to promote a more moderate form of Islam.

On top of the Yemen war and repression of domestic critics, including the 2018 killing of journalist Jamal Khashoggi, U.S. lawmakers have slammed Saudi Arabia for launching an oil price war with Russia just as the coronavirus pandemic sapped global demand.

The shooting revived memories of the turbulent period following the Sept. 11 attacks when the kingdom's close military relationship with the U.S. came in for intense scrutiny.

An internal Saudi government report prepared in the days following last year's shooting identified extreme political views in tweets believed posted by the shooter.

--Stephen Kalin in Riyadh contributed to this article.

Write to Sadie Gurman at sadie.gurman@wsj.com and Dustin Volz at dustin.volz@wsj.com

 

(END) Dow Jones Newswires

May 18, 2020 15:40 ET (19:40 GMT)

Copyright (c) 2020 Dow Jones & Company, Inc.
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