A 53-year-old Lake Oswego man pleaded guilty except for insanity to murder in the second degree for stabbing his mother to death in 2024.

Chad Emerson Brix, who was diagnosed with schizophrenia more than 15 years ago, was sent to the Oregon State Hospital after his guilty plea on Tuesday, officials said.

Brix killed his mother, 78-year-old Virginia Brix, while she was sleeping in his home on February 2, 2024, the Clackamas County District Attorney’s Office said in a statement.

Court records show that Brix’s mental health had declined considerably in the years after his diagnosis, as the father of two and former construction-business owner experienced paranoid delusions, impulsivity and auditory hallucinations.

Chad Brix’s delusions included a belief that his two young daughters were i

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