A. D Walter Skinner is an ex-Marinel, and a Vietnam Veteran. Skinner is the boss of Mulder and Scully and at first in the series we believe that he is working for the Syndicate. But time after time Skinner proves that he is an ally of the two agents but still Krycek has control over Skinner with nano-technology. He the final ep the Truth, Skinner is called into, with Kersh, into a "meeting" meaning that could be the last time we see Skinner...
