India, July 7 -- Idaho murders suspectBryan Kohberger has finally admitted to killing fourUniversity of Idaho students, but oneburning question remains: what was his motive?A forensic psychiatrist has provided a theory behind the killer's motive after hepleaded guilty to four counts of murder, a deal that will help him dodge the death penalty. Kohberger brutally stabbed Ethan Chapin, Xana Kernodle, Madison Mogen and Kaylee Goncalves to death in the early morning hours of November 13, 2022, at a rental home near their campus in Moscow,Idaho.

Forensic psychiatrist Dr Carole Lieberman told the Daily Mail that Kohberger's anger may have been triggered by a psychological pattern. "It is especially significant that Maddie and Kaylee look like ...