Farook traveled to Saudi Arabia in the summer of 2014, according to Saudi and U.S. officials. Records show Farook was in the country on that trip for nine days, a Saudi official said. A U.S. official described the 2014 trip as Farook's "last recorded" trip to Saudi Arabia.
Two U.S. government officials have also said there's information about Farook traveling to Saudi Arabia for the Hajj in 2013.
Farook's apparent radicalization contributed to his role in the mass shooting of 14 people Wednesday during a holiday party for the San Bernardino County health department, where Farook worked, sources said.
Still, it wasn't necessarily the only driver behind the carnage, as workplace grievances might have also played a role. President Barack Obama hinted as much Thursday when he said that the attackers may have had "mixed motives."
David Bowditch, assistant director in charge of the FBI's Los Angeles office, told reporters Thursday that Farook had traveled to Pakistan.
And two government officials said no red flags were raised when he'd gone to Saudi Arabia for several weeks in 2013 on the Hajj, the annual pilgrimage to Mecca that Muslims are required to take at least once in their lifetime. It was during this trip that he met Malik, a native of Pakistan who came to the United States in July 2014 on a "fiancée visa" and later became a lawful permanent resident.
Officials had previously said neither Farook and Malik were known to the FBI or on a list of potentially radicalized people. Nor had they had any known interactions with police until Wednesday.
Yet Farook himself had talked by phone and on social media with more than one person being investigated for terrorism, law enforcement officials said.
The communications were "soft connections" in that they weren't frequent, one law enforcement official said. It had been a few months since Farook's last back-and-forth with these people, who officials said were not considered high priority.
As to what role those communications played in the San Bernardino carnage, the official said, “We don’t know yet what they mean.”
Added Bowdich, from the FBI: “That is the big question for us: What is the motivation for this?”