Key Questions Still Unanswered in Year Since San Bernardino Terror Attack

In the year since Syed Rizwan Farook and Tashfeen Malik killed 14 people in a terrorist attack in San Bernardino, authorities have conducted more than 600 interviews, gathered more than 500 pieces of evidence and served dozens of search warrants.

Tashfeen Malik and Syed Rizwan Farook were photographed at O'Hare Airport in July 2014. (Credit: Chicago O'Hare Airport via CNN Wire)

Tashfeen Malik and Syed Rizwan Farook were photographed at O’Hare Airport in July 2014. (Credit: Chicago O’Hare Airport via CNN Wire)

They launched an unprecedented legal battle with Apple in an effort to unlock Farook’s iPhone and deployed divers to scour a nearby lake in search of electronic equipment the couple might have dumped there.

But despite piecing together a detailed picture of the couple’s actions up to and including the massacre, federal officials acknowledge they still don’t have answers to some of the critical questions posed in the days after the Dec. 2, 2015, attack at the Inland Regional Center.

Most important, the FBI said it is still trying to determine whether anyone was aware of the couple’s plot or helped them in any way. From the beginning, agents have tried to figure out whether others might have known something about Farook and Malik’s plans, since the couple spent months gathering an arsenal of weapons and building bombs in the garage of their Redlands home.

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