Detective John Michael Gibson (March 29, 1956 – July 24, 1998) was a United States Capitol Police officer assigned to the dignitary protection detail of Congressman Tom DeLay. He is buried in Arlington National Cemetery after lying in honor with Chestnut in the Capitol rotunda. Gibson had served with the agency for 18 years.
https://en.wikipedia.org/wiki/1998_United_States_Capitol_shooting

