Legal Expert Weighs InWill Bryan Kohberger Be Able to Change Plea in Idaho Murders Case? Legal Expert Weighs InWhy would Bryan Kohberger attempt to change his plea? Legal Expert Weighs InBryan Kohberger's effort to withdraw his guilty plea in the University of Idaho murders is likely to face an uphill legal battle, according to an expert. "All he can do is collaterally attack his guilty plea and conviction by” claiming his constitutional rights were violated. Bryan Kohberger Photo: Zach Wilkinson-Pool/Getty ImagesRahmani explained that simply changing his mind is not enough to withdraw a guilty plea.