The campaign is not meant to be politically neutral for the students - you are actively encouraged to take a stand, wherever you choose. 
Furthermore, the carrying of weapons within campus grounds is allowed, and yes, you can kill people, if for good reason such as self defense. 

The emerald boughs are not spies at all *wink*

We know a vet in town: Igey 

There are service tunnels connecting the university buildings - is this how the bugs have gotten inside?? Failed magic barriers?

Halfling graverobber who the archeologist hates: Thiarvo the Quick