Board Thread:General Discussion/@comment-184.78.138.250-20130731165120/@comment-1971498-20130731200331

Considering the initial intentions for MGS2, I assume that he was originally being controlled by Liquid. Following Kojima's  change of heart in MGS4, I feel that he's written the content of MGS4 in such  a way as to suggest that the possession was indeed intentional and had begun during MGS2.