Memorial to James E. Armstrong Officer Killed in the Line of Duty Date of Death: December 20, 1919 Rank: Detective Age: 40 Years of Service: 16 Marital Status: Married Children: Three Location of Death: Union Station Circumstance: Detective Armstrong tracked a suspect, John McHenry, to Union Station after he shot and robbed a cashier at 1224 14th Street, NW. When Detective Armstrong attempted to stop McHenry inside Union Station, McHenry drew a revolver and shot the detective three time at close range. As the detective fell, he was able to hold onto McHenry long enough for back up to arrive and render the suspect unconscious with a blackjack. Return to the list of officers killed in the line of duty.