I guess the same guys who wrote it last time. For the original Protec (N) mechanism they had a very similar manual as well, they just did not publish it openly.
Cheers mh
"The techs discovered that German locks were particularly difficult" - Robert Wallace, H. Keith Melton w. Henry R. Schlesinger, Spycraft: The secret history of the CIA's spytechs from communism to Al-Qaeda (New York: Dutton, 2008), p. 210
