Convicted quadruple killer Bryan Kohberger was diagnosed with four mental disorders months before he made his guilty plea, new court documents show. Kohberger, 30, was diagnosed with high-functioning autism, obsessive compulsive disorder (OCD), attention-deficit/hyperactivity disorder (ADHD) and avoidant/restrictive food intake disorder (ARFID), according to the mental competency waiver he filled out before submitting the July…