Trip to Mexico: Motorcade with President Kennedy, First Lady Jacqueline Kennedy (JBK), President of Mexico Adolfo López Mateos and wife Eva Mateos, 11:45AM. President John F. Kennedy (center, right) walks toward a car prior to the motorcade to Los Pinos, the official residence of the President of Mexico, following his and First Lady Jacqueline Kennedys arrival in Mexico. President of Mexico, Adolfo López Mateos, walks left of President Kennedy. Mrs. Kennedy (in green) is visible in the crowd at right. Also pictured: Chief of Protocol of Mexico, Federico A. Mariscal; Chief of the Presidential General Staff of Mexico, Major General José Gómez Huerta; White House Secret Service agents, James J. Rowley, Gerald A. Jerry Behn, Mike Mastrovito, and Bill Payne. Spectators line the street and surrounding area. Mexico City, Mexico.