Bryan Kohberger brutally "disfigured" Kaylee Goncalves' face and fought through a violent struggle with Xana Kernodle before fleeing the scene of the University of Idaho murders ... according to newly unsealed police reports.

After Bryan Kohberger was sentenced for the Idaho murders of Ethan Chapin, Madison Mogen, Xana Kernodle and Kaylee Goncalves, the latter’s sister detailed his true demeanor in court.

The sister of University of Idaho murder victim Kaylee Goncalves said everything in her body told her to “run” as she came face-to-face with Bryan Kohberger during his sentencing – but instead delivered a powerful, blistering takedown of her sibling’s killer.