Don Roberdeau, a United States military veteran, serving around the world in the Navy. One of Don's requested operational commands was aboard the aircraft carrier U.S.S. John F. Kennedy. Don remembers the assassination weekend and kept himself informed with respect to others research from 1963 to 1975.
Since 1975 Don Roberdeau has been personally researching details and discoveries about the assassination, speaking with witnesses, freely discussing assassination details and considerations with individuals and groups, and freely contributing on the internet and in print. Don Roberdeau is also registered as a United States National Archives Researcher.
A recent research contribution by Don Roberdeau includes his discovery of attack witness Rosemary Willis's second Zapruder film seen reaction, an ultrafast 0.16 second, 90 to 100 degree headsnap away from facing the southwest corner of the book depository, westward, towards Mr. Zapruder and the grassy knoll starting at Z-214/215.
Don Roberdeau has also contributed to what many people believe is the most accurate professionally surveyed research map of Dealey Plaza that details important attack-related information, pinpoints witnesses locations and observations, evidentiary artifacts, suspected assassins locations, etc. Don Roberdeau has also compiled a 5400-plus notebook pages, a chronological timeline of events, along with details for over 4600 persons related to those events.