On October 31, 1950, Collazo and Torresola arrived at Union Station in Washington, D.C. and registered in the Harris Hotel. On November 1, 1950, with guns in hand, they attempted to enter the Blair House, where the President was living during renovation of the White House. During the attack, Torresola mortally wounded White House Police officer, Private Leslie Coffelt. Collazo wounded another man. After wounding two others, Torresola was killed by the mortally wounded Coffelt. Collazo was shot in the chest and arrested.