"Secret Service agent"@en . . . . . . . . . . . . . . "Vincent Mroz"@en . . . "2008-07-22"^^ . . . "37767374"^^ . . . . . . . . "Barbara and Gregory"@en . "1922-03-11"^^ . . . . . . . . . . . . . . . . . . . . . . . "Vincent Peter Mroz (March 11, 1922 \u2013 July 22, 2008) was a United States Secret Service agent and a United States Marine Corps veteran who served during World War II. In 1948, he was assigned to the presidential protection detail during the Harry S. Truman administration. In November 1950, Mroz shot one of two Puerto Rican nationalists who intended to assassinate President Truman. The man was later tried and imprisoned. The event was described as \"the biggest gunfight in Secret Service history.\" The other nationalist was killed by a city police officer. Mroz also served the presidential detail in the Dwight D. Eisenhower administration. He served with the Secret Service for 26 years, retiring in 1974 as the Deputy Assistant Director of the uniformed division. Mroz had earlier played college football for the University of Michigan and Michigan State College."@en . . . . . "12974"^^ . . . . . . "1072894719"^^ . . . . . . . . . . . . . . . . . . . . . . . . . "Shirley Gammon"@en . . . . . "Mroz displays the Luger pistol used in attempted assassination of Harry Truman"@en . . . . . . . . . . . . . . "1922-03-11"^^ . . "2008-07-22"^^ . . . . . . "Vincent Peter Mroz (March 11, 1922 \u2013 July 22, 2008) was a United States Secret Service agent and a United States Marine Corps veteran who served during World War II. In 1948, he was assigned to the presidential protection detail during the Harry S. Truman administration. In November 1950, Mroz shot one of two Puerto Rican nationalists who intended to assassinate President Truman. The man was later tried and imprisoned. The event was described as \"the biggest gunfight in Secret Service history.\" The other nationalist was killed by a city police officer."@en . . . . . . . . "2008"^^ . "1922"^^ . . .