Question: What event occurred on April 28th, 1945, and was witnessed by George Emil Bria, an Italian-American journalist who worked for the Associated Press?
Sentence (from "Death of Benito Mussolini"): The "official" version of events is that Mussolini was shot by Walter Audisio, a communist partisan who used the "nom de guerre" of "Colonel Valerio".
Relevant evidence: No