Ok, the AI in this does crazy things. Remember all those games that promised AI throwing over tables and hiding behind it, only to have that happen in rare scripted occasions?
AI here does it. I don't know if it's choosing between a few scripts or what, but it's crazy. It actually looks like soldiers trying to fight you.
I saw one guy jump out of a windowed office at one point. I died, then when I went back he was outside the office and jumped through the same window into the office. I don't know what that means. Random placement? I think so. Scripted? Probably just that, when near a window, jump.