You find no letters or any other belongings on the woman's corpse. Although more than a dozen had tried to kill you, you still do not know who they are or what is going on here.
With the search complete, you return to the tavern and find the establishment empty, only the slumped form of the Golem remains. Even the innkeeper has fled. With the control rod broken, you will not be forcing your way into many other places in the village. Someone does not want you making inquiries.