"But we did go five miles into Cambodia. It was on another day. I jumbled the two together, but we were five miles into Cambodia. We went up on a mission with CIA agents--I believe they were CIA agents--CIA Special Ops guys. I even have some photographs of it, and I can document it. And it has been documented."
So he's not really sure "who" took him up there. But he's got the pics to prove it....John, are you sure you didn't reenact this later on?
It was probably viet cong pretending to be Cia agents or viet cong pretending that Kerry didn't know that they were cong.