Who Killed Betsy? On November 28th, 1969, Betsy Ruth Aardsma was murdered inside Penn State University's Pattee Library, by an unknown assailant. Thousands of students were interviewed, but no suspects were produced by the police investigation. 41 years later, the case remains unsolved. This book explores the turbulent environment of the late 1960s at Penn State, along with the details, the suspects, and the reason... Full description