Board Thread:Questions and Answers/@comment-197.87.149.237-20150131062759/@comment-1504072-20150203132841

Weedle McHairybug wrote: Actually, it's implied he DID tell Kaz about it. [...] It's pretty clear that the "debriefing" that Snake mentioned was the one EVA supplied to him. And Kaz replied "You want to know the truth?" Without even once questioning the debriefing. Well, every mission has a debriefing, so there'd be no reason for Kaz to question the existence of one. Whether he knows the deliverer or the contents of that debriefing is not clear-cut based on that dialogue alone.

It did initially annoy me that Big Boss seemed to have forgotten some things in Peace Walker, because like most people, I made the assumption that Big Boss had taken EVA's debriefing at face value upon first hearing it, and neither MGS3's ending nor Portable Ops did anything to challenge this view. Now we know he actually had some doubts before he finally accepted it, which is understandable.