The mother of Capitol Police officer Brian Sicknick said her son was not beaten with a fire extinguisher by a mob on Jan. 6, saying he likely suffered a stroke instead—refuting reports from the New York Times and other outlets claiming otherwise. “He wasn’t hit on the head, no. We think he had a stroke, but we don’t know anything for sure,” Gladys Sicknick told the Daily Mail in an exclusive interview on Feb. 22. “We’d love to know what happened.” The NY Times, CNN, and NBC updated their reports weeks after the Jan. 6 breach to assert that Sicknick...