The latest on the mass shooting in San Bernardino, California (all times local):

2:40 a.m.

The Islamic State group's official radio station has aired a statement saying the mass shooting in California was carried out by two "supporters" of the extremist group.

While praising the attack, the group stopped short of claiming responsibility for it. The Al-Bayan report Saturday echoed a claim carried Friday by the IS-affiliated Aamaq news agency.

The radio report did not refer to Syed Farook and Tashfeen Malik as actual members of the Islamic State group. Militants affiliated with IS who carry out attacks are commonly referred to in the group's propaganda as "lions," ''fighters" or "mujahedeen."

— From Associated Press writer Maamoun Youssef in Cairo.

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11 p.m.

Police say a package addressed to the home of the suspected attackers in Southern California's mass shooting has been determined to be safe after it spurred the evacuation of a UPS facility.

San Bernardino police Chief Jarrod Burguan says Friday night that the item has been rendered safe and posed no threat.

Burguan said earlier that the package was from a "reputable vendor" and the UPS center was evacuated out of caution. The evacuation lasted about three hours.

The facility is about a mile from the social services center where 14 people were killed by a husband and wife on Wednesday.

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9:45 p.m.

Police say a Southern California UPS facility has been evacuated because a driver noticed a package addressed to the home of the husband and wife behind this week's deadly attacks.

San Bernardino police Chief Jarrod Burguan says it appears the package is from a "reputable vendor" but the facility was cleared out and a bomb squad has been called out of caution.

Burguan said the driver had left the facility Friday night and returned after noticing the address in nearby Redlands.

The facility is about a mile from the social services center where 14 people were killed on Wednesday.

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6 p.m.

The brother of one of the shooters in an attack that killed 14 people in California is a Navy veteran who earned medals for fighting global terrorism.

According to military records obtained by The Associated Press on Friday, Syed Raheel Farook — the brother of gunman Syed Rizwan Farook — was in the Navy from 2003 to 2007.

During his stint, he received the Global War on Terrorism Expeditionary Medal and the Global War on Terrorism Service Medal, among other awards.

After going through training in the family's native Illinois, Syed Raheel Farook served for three years aboard the aircraft carrier USS Enterprise as an information system technician.

He now lives in Southern California, where his brother and the brother's wife were killed in a shootout with authorities after the Wednesday attack.

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3 p.m.

Attorneys for the family of a California shooter say he was married to a soft-spoken housewife who only spoke with female relatives.

Mohammad Abuershaid and David Chesley, who represent Syed Farook's family, say Farook's wife, Tashfeen Malik, wore a veil that covered her face and didn't drive. The couple opened fire on a holiday party of Farook's co-workers, killing 14 people.

They say Farook's mother lived with the couple but she stayed upstairs and didn't notice they had stockpiled 12 pipe bombs and well over 4,500 rounds of ammunition.

Abuershaid and Chesley say the couple left their 6-month-old daughter in her care when they carried out Wednesday's attack.

They say the child is with child protective services. Farook's brother-in-law is beginning the legal process to adopt the girl.

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2:35 p.m.

Attorneys for the family of a California shooter are cautioning the public against rushing to judgment about terrorist connections to the attack.

Mohammad Abuershaid and David Chesley, who represent Syed Farook's family, said there's no proof linking the shooters to a broader terrorist organization and most of the evidence focuses on Facebook posts made under an alias by Farook's wife, Tashfeen Malik.

When asked to explain possible motivations for the attack, Chesley said at a news conference Friday that co-workers made fun of Farook for his beard and said he was isolated with few friends.

Abuershaid and Chesley said the family was shocked by the attack that left 14 people dead and they saw no signs that the couple would be aggressive or had extreme views.

The FBI has said it's investigating the shooting as an act of terrorism.

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1 p.m.

FBI Director James Comey says findings in a sweeping federal investigation into the California mass shooting indicate the two shooters showed signs of radicalization but were not part of a broader network.

But Comey noted there's still "a lot evidence that doesn't quite make sense."

Comey says Syed Farook and Tashfeen Malik didn't appear on the FBI's "radar screen" before the shooting Wednesday that killed 14 in San Bernardino.

The couple opened fire at a holiday banquet for Farook's co-workers before dying in a gunbattle with police.

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12 p.m.

An IS-affiliated news agency Aamaq says the two shooters in the deadly California attack were "supporters" of the Islamic State group, but it stopped short of claiming responsibility for the attack.

David Bowdich, assistant director of the FBI's Los Angeles office, said he wasn't aware of the report but wasn't surprised IS would attempt to link itself to the attack. He said investigators are looking carefully to determine if there is an IS connection.

Bowdich said at a news conference that the bureau is investigating the shooting that left 14 people dead as an act of terrorism. He says neither Syed Farook nor his wife, Tashfeen Malik, was under prior investigation.

The couple opened fire at a holiday banquet for Farook's co-workers before dying in a gunbattle with police Wednesday.

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11:29 a.m.

The FBI says it is investigating the deadly mass shooting in California as an "act of terrorism."

David Bowdich, assistant director of the FBI's Los Angeles office, made the declaration at a news conference Friday in California.

He also said the shooters attempted to destroy evidence, including crushing two cellphones and discarding them in a trash can. He said authorities continue to investigate the case to understand the motivations of the shooters and whether they were planning more attacks.

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10:45 a.m.

The woman who helped her husband kill 14 people at holiday party in California praised the leader of the Islamic State group in a Facebook post just minutes into the attack.

A Facebook executive told The Associated Press that Tashfeen Malik posted the material under an alias account at 11 a.m. Wednesday. That was about the time the first 911 calls came in and when the couple were believed to have stormed into the San Bernardino social service center and opened fire.

The executive spoke on condition of anonymity because this person was not allowed under corporate policy to be quoted by name.

The company discovered the Facebook account Thursday. It removed the profile from public view and reported its contents to law enforcement.

— From Associated Press writer Tami Abdollah in Washington, D.C.

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10:20 a.m.

Pakistani intelligence officials say Tashfeen Malik, one of the shooters in the California massacre, moved as a child with her family to Saudi Arabia 25 years ago.

The two officials say the family is originally from the Pakistani town of Karor Lal Esan, about 200 miles southwest of the capital of Islamabad in Punjab province. The officials spoke to The Associated Press on condition of anonymity because they weren't authorized to talk to the press.

Her father, Gulzar Malik, moved to Saudi Arabia about three decades ago for work. The officials say his family — including Tashfeen Malik, then only a few years old — joined him there 25 years ago.

Another person close to the Saudi government says Tashfeed Malik didn't stay in Saudi Arabia but eventually returned to Islamabad and lived there, returning to Saudi Arabia for visits.

Tashfeen Malik and her husband, Syed Farook, killed 14 people at a holiday banquet for his co-workers before dying in a gunbattle with police.

— Associated Press writer Zarar Khan in Islamabad

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9:45 a.m.

An expert says the revelation that one of the California attackers pledging allegiance to the Islamic State group on Facebook suggests the woman was inspired by IS ideology but wasn't necessarily in direct touch with the group.

John Cohen, a former counterterrorism coordinator for the Homeland Security Department and a Rutgers University professor, said those people are harder to detect.

He says the counterterrorism infrastructure is built on preventing tightly organized attacks directed by a specific group, not detecting people inspired by IS but operating independently. He says that means different tools are needed to prevent those types of attacks.

Cohen says IS has aggressively used social media and have "successfully inspired thousands of people."

Tashfeen Malik helped her husband, Syed Farook, kill 14 people at a holiday banquet for his county co-workers before dying in a gunbattle with police.

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9:35 a.m.

A California landlord has invited media into the town house rented by the California attackers.

An MSNBC reporter on Friday found a crib, toys, a child's book of the Quran, family pictures and shredded documents inside the Redlands, California, home. There was a computer screen, but no computer.

Authorities have said that Syed Farook and his wife, Tashfeen Malik, stockpiled 12 pipe bombs, tools to make more explosives and well over 4,500 rounds of ammunition at the home. The couple had a 6-month-old daughter.

The residence is in a neighboring city to San Bernardino, where the couple opened fire on a holiday party of Farook's county co-workers Wednesday, killing 14 people.

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8 a.m.

A U.S. law enforcement official says the wife of the couple blamed in the deadly California shootings pledged allegiance to the Islamic State group and the terror group's leader on Facebook using an alias then deleted the messages before the attacks.

Specifics details about Tashfeen Malik's postings weren't disclosed Friday by the law enforcement official, who spoke on condition of anonymity because this person was not allowed to discuss an ongoing investigation.

The remarkable disclosure about Malik's online activities provided the first significant details suggesting a motive for her participation with her husband, Syed Farook, in the shootings that killed 14 people and injured 21.

Malik was a Pakistani woman who came to the U.S. in 2014 on a fiancee visa before Farook married her in California.

— From Associated Press writer Tami Abdollah in Washington, D.C.

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5:50 a.m.

The brother-in-law of one of the attackers in San Bernardino, California, says Syed Farook was a 'bad person,' but he wasn't radical.

Farhan Khan also told NBC News he is beginning the legal process to adopt Farook's 6-month-old daughter, who was dropped off with relatives Wednesday morning before the shooting that left 14 dead. Farook and his wife, Tashfeen Malik, were killed in a shootout with police following their deadly rampage.

In excerpts of the interview released Friday, Khan expressed disbelief that Farook would leave behind his infant girl and said he was angry with Farook for the attack.