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... U.S. Capitol Police Officer Brian Sicknick, who engaged with pro-Trump rioters during the Jan. 6 insurrection, died of natural causes the day after the attack, Washington, D.C.'s chief medical examiner announced Monday.
Sicknick died after suffering strokes, the Office of Chief Medical Examiner, Dr. Francisco Diaz, said in a report. In an interview, Diaz told The Washington Post, which first reported on the determination, that Sicknick suffered two strokes.
Sicknick, 42, was sprayed with a chemical substance outside the Capitol at around 2:20 p.m. ET on Jan. 6, the report said.
He did not suffer an allergic reaction to the chemical irritants dispensed by rioters, Diaz told the Post, nor was there evidence of internal or external injuries.
At approximately 10 p.m., Sicknick collapsed at the Capitol and was transported to a local hospital. He died nearly 24 hours later.
Officials had said that Sicknick died a day after he sustained injuries during the attack. The Justice Department had opened a federal murder investigation into his death.
In a statement, the U.S. Capitol Police said it accepts the medical examiner's finding. "This does not change the fact Officer Sicknick died in the line of duty, courageously defending Congress and the Capitol," the statement said. ...