( NewsNation) – Bryan Kohberger’s former professor told investigators the convicted murderer was “obsessed” with serial killers, wrote a paper on burglary and was flagged by several female classmates for sexist behavior.

As if the crime scene wasn't spooky enough with 4 slaughtered college students ... Bryan Kohberger may have left his creepiest message of all on a window outside the murder house that fateful night.

Bryan Kohberger was sentenced to life in prison last month after he pled guilty to killing four University of Idaho students.

Police clarified Bryan Kohberger did not say Kaylee Goncalves' name during the Idaho murders, despite survivor Dylan Mortensen initial recount from unsealed police documents

The filing came just days after convicted killer Bryan Kohberger was placed in J-Block at the Idaho Maximum Security Institution.

More than 550 pages of investigation documents were released by Idaho State Police in response to public records requests.

The professor voiced her fears to coworkers after grad students started complaining in 2022 that Kohberger was being sexist and creepy.

The families of Madison Mogen and Ethan Chapin—two of the four college students murdered by Bryan Kohberger in 2022—are suing the city of Moscow, Idaho, over the release of crime scene photos.

Idaho prosecutor Jeff Nye successfully defended controversial genetic genealogy evidence against Bryan Kohberger's legal challenges despite FBI policy violations