Officer Brian Sicknick died of natural causes, the medical examiner said.
The 35-year-old pro-Trump protester was shot by an officer while attempting to climb through a broken glass door inside of the Capitol during the insurrection.
The fencing had been erected to secure the Capitol after the violent mob of of then-President Donald Trump’s supporters attacked the building Jan. 6.
A police officer has been killed after a car was driven into a barrier in the U.S. Capitol. The driver was shot and has also died.
The car's driver is also dead after being shot by officers.
The lawsuit filed by two officers accuses the former president of directing the violent mob that stormed the Capitol on Jan. 6, leading to injuries and death.
The request, reported by multiple outlets, comes amid heightened security in response to a another potential extremist plot to attack the Capitol complex.
Capitol Police officers have been suspended with pay for their roles in the Jan. 6 insurrection in Washington, D.C.
The acting police chief vows "appropriate discipline" for behavior not in keeping with the department’s rules of conduct.
A month ago, the U.S. Capitol was taken over by Trump supporters. Five people died. A look back and the fallout since.