Category talk:Fallout 3 gameplay help

Hey guys. Could someone please help? i've recently visited megatron and accidently shot someone and now i Cannot escape for nothing!!! the whole town kills me. What do i do?

question
Hey there I have copleated main quest by activating the purifayer and I dont know how long I haave to vait to start Broken Steel quests and start exploring new locations  whic it brings. Can you tell me where I can find a key for Capitol building offices??