A former Villanova University professor was found stabbed to death Monday in her apartment in Germantown.
Ambruster started at Villanova in 1987, and taught at the university until retiring in 2011. Her title was Assistant Professor of Astronomy and Astrophysics, according to Villanova.
Villanova released a statement on her death: "The University was saddened to learn of the death of Carol Ambruster, and our thoughts and prayers go out to her family and friends."
Police recovered the knife used to kill her at the scene, Philly.com reported.