WASHINGTON (AP/KDKA) — U.S. officials have arrested and charged two men with assaulting U.S. Capitol Police officer Brian Sicknick with bear spray during the Jan. 6 riot, but they do not know yet whether it caused the officer’s death.

Julian Khater, 32, of State College, Pennsylvania and George Tanios, 39, of Morgantown, West Virginia were arrested Sunday. The Department of Justice says Tanios was arrested at his home in West Virginia and Khater was arrested as he got off an airplane at Newark Airport in New Jersey.

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Neither man is charged with homicide.

(Photos: FBI)

Tanios owns a sandwich shop on the edge of the WVU campus. People KDKA talked to say they’re glad someone is finally arrested in connection with Sicknick’s death.

“I’d say he needs to be arrested. Let’s put it that way, I think so. I didn’t like that, the way he went down there at the Capitol,” said Charles Corwin of Waynesburg.

(Photo: Provided)

The idea that Sicknick died after being sprayed by a chemical irritant has emerged in recent weeks as a new theory in the case.

Investigators initially believed that Sicknick was hit in the head with a fire extinguisher, based on statements collected early in the investigation, according to two people familiar with the case. But as they’ve collected more evidence, the theory of the case has evolved and investigators now believe Sicknick may have ingested a chemical substance — possibly bear spray — that may have contributed to his death, officials have said.

Khater is the man in a video obtained by the FBI that showed him spraying Sicknick and others with bear spray, according to court papers. The act hasn’t been directly tied to Sicknick’s death.

“Give me that bear (expletive), Khater said to Tanios on the video, according to court papers. Sicknick and other officers were standing guard near metal bike racks, the papers say.

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Khater then says, “they just (expletive) sprayed me,” as he’s seen holding a white can with a black top that prosecutors said ”appears to be a can of chemical spray.”

One woman says she’s not completely surprised that someone local could be involved.

“I’m not surprised. This area has a lot of people that were very much supporting Trump, to almost a mental disease, in a way,” said Artis Corwin of Waynesburg.

When KDKA started asking questions at Tanios’ sandwich shop, a man who identified himself as the manager said there would be no interviews.

(Photo by Salwan Georges/The Washington Post via Getty Images)

Sicknick died after defending the Capitol against the mob that stormed the building as Congress was voting to certify Joe Biden’s electoral win over Donald Trump. It came after Trump urged supporters on the National Mall to “fight like hell” to overturn his defeat.

The circumstances surrounding Sicknick’s death remain unclear, and a final cause of death has not been determined. Capitol Police have said he died after he was injured “while physically engaging with protesters” and the agency’s acting chief said officials consider it a line-of-duty death.

Sicknick collapsed later on and died at a hospital on Jan. 7. The Justice Department opened a federal murder investigation into his death, but prosecutors are still evaluating what specific charges could be brought in the case, the people said.

The medical examiner’s report on Sicknick’s death is incomplete. Capitol police say they were awaiting toxicology results.

The FBI has already released about 250 photos of people being sought for assaulting federal law enforcement officers during the riot. Some have already been arrested, and the Justice Department said about 300 people have been charged with federal offenses related to the riot.

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