FBI probes whereabouts of California shooters after the massacre
FBI missing a period of 18 minutes after the San Bernardino shooting in which it doesn't know where the shooters were.
FBI missing a period of 18 minutes after the San Bernardino shooting in which it doesn't know where the shooters were.
Committee head exposes fiancee visa application of Tashfeen Malik, who with husband committed shooting; file shows vetting fell far short.
Senate hearings on shooting suggest Syed Farook and Tashfeen Malik may have married in effort by terror group to set up attack on US soil.
Reports say Syed Farook and Tashfeen Malik had communicated with "people with extremist views" in the Los Angeles area.
FBI official says Syed Farook and Tashfeen Malik had taken target practice days before the massacre in San Bernardino.
'We are Americans. We will uphold our values - a free and open society. We are strong. And we are resilient. And we will not be terrorized.'
Officials say female shooter in San Bernardino massacre pledged allegiance to ISIS leader on Facebook.
Lead gunman revealed to have been in contact with several international terrorists, and recently traveled to Saudi Arabia.