Senate Majority Leader Harry ReidHarry ReidTop Lobbyists 2017: Grass roots Boehner confronted Reid after criticism from Senate floor GOP in uncharted territory rolling back rules through resolutions MORE (D-Nev.) marked the anniversary of the 1998 Capitol shooting, which killed two Capitol Police officers.

“In this Senate chamber, as we speak, there are people here who are assigned to take care of us, the staff and all the tourists that come here,” Reid said on the Senate floor Thursday. “Their job is to do everything they can to make sure this magnificent Capitol complex is safe.

“We’re grateful everyday that these men and women guard these hallowed halls.”

In 1998, a man who tried to enter the Capitol with a gun shot and killed Jacob Chestnut and John Gibson.

In college, Reid served as a Capitol Police officer.

Senate Minority Leader Mitch McConnell (R-Ky.) also offered condolences to the families of the victims, saying, “We owe these men a debt that cannot be paid.”

At 3:40 p.m., the Senate will hold a moment in silence to remember the occasion.