Point Lookout bugs

Bugs and glitches/exploits in the Fallout 3 add-on Point Lookout.

Xbox 360
Once you've killed the Tribals in Desmonds mansion he may freeze stopping you from playing on. He says "Help Me Take Out These Bastards, Whilst I Figure Out A Plan." But all of the enemies are dead, and you cannot proceed. Reloading to a point before you enter point lookout seems to fix this