San Bernardino Shooting – Thursday Developments

SAN BERNARDINO, Calif. (AP) — The latest on the mass shooting at a social services facility in San Bernardino, California (all times local)...

6:45 a.m.

U.S. Attorney General Loretta Lynch says the Justice Department will be offering "any and all assistance necessary" as the investigation into the California mass shooting continues.

Lynch is speaking at an event about criminal justice at the White House. She says the shooting in California was "unspeakable."

Lynch says the government doesn't know a lot yet about the incident. But she says the FBI, the U.S. Marshals Service and other federal authorities have been dispatched.

The attorney general says whatever the results of the investigation, there's no place for this type of violence in the U.S. She says that's not what the country stands for or works for.

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5:40 a.m.

Police and federal agents are for a second day searching a home in connection to the massacre in San Bernardino, California.

A search team combed the residence early Thursday in neighboring Redlands, about 7 miles from the shooting at Inland Regional Center.

A black sedan parked outside was also searched.

The home is where officers initially saw a vehicle matching the description of the suspects' SUV in the hours before the final gun battle that killed them. A bomb squad on Wednesday swept the building with robots.

Police didn't immediately say if the suspects — Syed Rizwan Farook and Tashfeen Malik — lived at the home. Public records show it is a possible residence of a family member of Farook.

Residents tell KABC-TV Redlands is a "sleepy little town" and expressed shock that the killers might be their neighbors.

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3 a.m.

Federal authorities say that the two assault rifles and two handguns used in the San Bernardino massacre were all purchased legally in the United States — two of them by someone who's now under investigation.

Meredith Davis of the Bureau of Alcohol, Tobacco, Firearms & Explosives says investigators are now working to make a connection to the last legal purchaser.

She says all four guns were bought four years ago but she's not saying whether they were purchased out of state or how and when they got into the hands of the two shooters.

Davis says California requires paperwork when guns change hands privately but many other states don't.

She also says the rifles involved were .223-caliber — powerful enough to pierce the standard protective vest worn by police officers, and some types of ammo can even plow through walls.