The mother of Capitol Police Officer Brian Sicknick, who died shortly after the infamous mob riot at the Capitol, told the Daily Mail on Tuesday that he did not die from being struck on the head by a fire extinguisher, further destroying one now-debunked piece of the narrative propelling outrage and investigations into who was in D.C. on Jan. 6. “We think he had a stroke, but we don’t know anything for sure,” Gladys Sicknick said almost a month after stories about her son being bludgeoned to death by Trump supporters went viral. “We’d love to know what happened.”