Bryan Kohberger may have used second weapon and left ‘scared’ while sparing surviving roommate: report

Prosecutor believes Bryan Kohberger may have spared surviving roommate Dylan Mortensen because he panicked and fled after killing four University of Idaho students.

Bryan Kohberger at the Ada County Courthouse for his sentencing hearing, Wednesday, July 23, 2025, in Boise, Idaho, for brutally stabbing four University of Idaho students to death nearly three years ago.  (AP Photo/Kyle Green, Pool) Bryan Kohberger appears at the Ada County Courthouse for his sentencing hearing, Wednesday, July 23, 2025, in Boise, Idaho. (AP Photo/Kyle Green, Pool) Bryan Kohberger is taken out of the Ada County Courthouse after his sentencing hearing, Wednesday, July 23, 2025, in Boise, Idaho, for brutally stabbing four University of Idaho students to death nearly three years ago. (Kyle Green/AP Photo, Pool) Sarah Rumpf-Whitten is a U.S. Writer at Fox News Digital. 

"There were injuries that appeared to have been caused by something other than the knife, although it could have been the knife," Thompson told the Statesman. "I don’t think we can exclude the possibility that there was an additional weapon involved." You can follow her on Twitter and LinkedIn.

Court documents revealed the extent of the November 2022 attack on Goncalves, Madison Mogen, Xana Kernodle and Ethan Chapin. Goncalves, authorities revealed in recently released Moscow Police Department documents, endured "more than 20 stab wounds," alongside blunt-force trauma.