Lem Johns
Thomas Lemuel "Lem" Johns was a member of the United [States Secret Service] present during the assassination of John F. Kennedy and the first inauguration of Lyndon B. Johnson.
File:Lyndon B. Johnson taking the oath of office, November 1963.jpg|thumb|Lem Johns witnesses the first inauguration of Lyndon B. Johnson as President of [the United States], following the assassination of John F. Kennedy.