sometimes the game doesn't load teammates names above their heads so they'll think you're an enemy. I do that quite a bit until the name pops up a second later. I don't get why they shoot at you when you come around a corner unless they're not looking at their map.
them1clan.webs.com xbox GT: TAILS DOLL M1 Before you die you see the Tails Doll ~ Can you feel the sunshine?
I have that problem with every FPS I play. My mindset is shoot everything that moves. One of the reasons why I prefer DM to over TDM. I only get into Team matches if the everyman for themselves is dead.