A U.S. senator is asking the U.S. Capitol Police why it claimed officer Brian Sicknick died from injuries he suffered during the Jan. 6 Capitol breach after a medical examiner found no evidence of injuries. On Jan. 7, the Capitol Police claimed Sicknick died from “injuries sustained while on-duty” after “physically engaging with protestors” the day prior. But Washington’s chief medical examiner found no evidence of either internal or external injuries and concluded Sicknick died of natural causes after suffering two strokes. “These official findings appear to be at odds with the USCP’s January 7 statement,” Sen. Ron Johnson (R-Wis.) said in a new letter to acting Capitol Police Chief Yogananda Pittman. Johnson wondered what the Capitol Police knew and what actions it took to confirm facts about Sicknick’s death before issuing its statement, which was made months before the official determination was released. Johnson noted that the New York Times and …