A Germantown man is in custody in connection to the murder of a retired Villanova astronomy professor, police said.

Jose Diaz, 42, of Hansberry Street near Greene, was arrested today for the murder of Carol Ambruster.

Ambruster, 69, was found by her roommate in their apartment on Wayne Avenue near School House Lane in Germantown on Dec. 9 with multiple stab wounds in her chest and neck. She was pronounced dead at the scene.

Diaz is charged with murder and related offenses in her slaying. Check back for more information as it becomes available.