San Bernardino Mass Shooting - What We Know staff KABC logo
Emergency vehicles converge at the scene of a mass shooting at the Inland Regional Center in San Bernardino on Wednesday, Dec. 2, 2015.
Emergency vehicles converge at the scene of a mass shooting at the Inland Regional Center in San Bernardino on Wednesday, Dec. 2, 2015.

SAN BERNARDINO, Calif. (KABC) -- Here is what we know about the mass shooting at an Inland Regional Center building in San Bernardino on Wednesday, Dec. 2, 2015.

  • President Barack Obama addressed the nation Sunday on the San Bernardino terror attack, declaring that "the threat from terrorism is real, but we will overcome it."
  • San Bernardino police identified Syed Rizwan Farook, 28, and Tashfeen Malik, 29, as the suspects in the mass shooting.
  • The two were married in Riverside on Aug. 16, 2015, according to marriage certificate. The couple had a 6-month-old daughter.
  • 14 people were killed, 21 injured - San Bernardino police confirm.
  • FBI says suspects participated in target practice leading up to the shooting.
  • Both suspects were radicalized and have been for "quite some time," FBI says. Investigators are still trying to figure out details on how they were radicalized.
  • Enrique Marquez, an old neighbor of the shooting suspects, purportedly purchased the "assault-style" rifles used in the massacre, according to law enforcement officials.
  • FBI is investigating the mass shooting as an act of terrorism.
  • Malik pledged allegiance to ISIS on Facebook using alias then deleted messages before the attacks, U.S. official says.
  • ISIS called the shooters "supporters" of their Islamist cause, but have not claimed responsibility for the attack.
  • Farook was an American citizen, while Malik was in the U.S. on a Pakistani passport and had a K1 "Fiance" Visa. She later obtained a Green Card, the FBI says.
  • The San Bernardino County Coroner's office released the names of all victims killed in the shooting.
  • Suspects fired between 65 to 75 rounds during shooting at Inland Regional Center.
  • 3 pipe bomb-style devices were found at the scene of the attack. The devices were remote detonated devices, law enforcement sources tell ABC News.
  • The guns that were used in San Bernardino shooting were purchased legally, law enforcement sources tell ABC News
  • Shooters attempted to destroy evidence, including crushing two cellphones and discarding them in a trash can.
  • Officers said they are "reasonably confident" there were only two suspects involved in the mass shooting. No other suspects were arrested.
  • Authorities found tools for making explosives like pipe bombs, over 3,000 rounds of ammunition at the suspects' Redlands home.
  • The two suspects were listed on home's rental agreement. Landlord Doyle Miller said the couple lived at the apartment unit since May.
  • Following their search, FBI turned over property back to landlord, who let the media inside.
  • Farook graduated from California State University, San Bernardino in 2010 with a bachelor's degree in environmental health, according to CSUSB spokesman Joe Gutierrez.
  • Farook and Malik were killed in a massive shootout with police a mile south of the IRC building. San Bernardino police were chasing a dark SUV before the incident ended in gunfire.
  • Law enforcement fired 380 rounds at the two suspects at end of that chase; suspects fired 76 rifle rounds, but had an additional 1,400 rounds on them.
  • SUV involved in chase was rented by one of the suspects three to four days ago
  • Two officers were injured - one shot in the leg, one wounded by glass or shrapnel. Both injuries were not life-threatening.
  • Inland Regional Center is comprised of three buildings. The shooting occurred in the building with the main auditorium during a holiday luncheon for the San Bernardino County Health Department.
  • Approximately 550 people typically work at the Inland Regional Center on an average day, a regional center employee told Eyewitness News.
  • FBI is the lead agency in the investigation. Anyone with credible information regarding mass shooting should call the FBI at (800) CALL-FBI.

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PHOTOS: Scene of mass shooting at San Bernardino Inland Regional Center