A thirty-year veteran of the Federal Bureau of Investigation, Hall was assigned to the Dallas FBI office in 1963. On Friday, he was at the Texas School Book Depository following the assassination, and on Sunday, he conducted a five-hour interview with Jack Ruby shortly after the Oswald shooting. Hall also followed up investigative leads and interviewed Ruby a second time in December 1963. Recorded February 4, 2010.
Mr. Hall passed away on February 21, 2015.