Truby Kamadrich

 wanted to go to an archaeological dig to Stanterus Three and emppolyed Bernice Summerfield and Nicholas Clyde to go with her. In fact she was Romolo Nusek's Lieutenant with the codename Mastrov. She murdered the Professor of Art History at St Oscar's University. Benny discovered that she was actually Mastrov, when she went to the broom-cupboard to get the coffee in Benny's appartment rather than the jar marked coffee. (AUDIO: Dragons' Wrath)