A redacted history of Sandial Laboratories in New Mexico notes that Don Cotter, who was later a Nixon administration advisor on atomic energy and assistant to the Secretary of Defense.
According to Malmgren, Geiss was directly involved in reverse engineering recovered craft in this exact period, so Malmgren went to go meet Geiss in New Mexico.
In my favorite closing count of the third kind in the United States took place in the desert of New Mexico in 1964 that involved an odd duty police officer by the name of Lodysimora and the Air Force files during the peak of Project Plipple investigations have detailed diagrams.