In the cutscenes before the MGS mission and "He Lives", some of the textures are replaced with solid red. This only happens in the cutscenes, not during actual gameplay. Also, I'm not the only person it happens to. The same error, effecting the same textures, appears in Jesse Cox's playthrough of the game on YouTube.
MGS mission cutscene (starts at 3:28)
Keith mission cutscene (starts at 2:30)
MGS mission cutscene (starts at 3:28)
Keith mission cutscene (starts at 2:30)
