Re: A visit from the law...
I'd make it my immediate goal to put distance between me and this roommate i.e. either move out or move her out. Sounds like she is the type that if she got super-POed and it suited her she might accuse you of doing more than just kicking in the door.
As Jenny said..."RUN FORREST RUN!!!!".
Sonor Sonic Plus Birch/German made