Freshman Murders by Gerald M. Weinberg
Series: Residue Class Mysteries, Book 1.
Approx. 122,890 words.
Published on August 14, 2010.
Math Prof and former NSA problem-solver Josh Rosemont, finds a woman’s body in the woods. Rosy's team hounds a twisted trail of false clues to uncloak the Dean’s sex scandal, decipher incriminating evidence in a billion-dollar swindle, and thwart a serial killer–a deranged student who believes raping and killing a potential suicide is not really murder. But did they catch the real killer?