A man who spent nearly 20 years locked in a state psychiatric ward in Lincoln is suing doctors for malpractice, saying he was never mentally ill during his time there. He was sent to the Lincoln Regional Center that year. For the next 20 years, regional center doctors and others involved in Montin's treatment relied on information from initial police reports that said Montin was delusional, rather than court records that showed otherwise. But last year, a regional center psychiatrist found that it was medicine Montin had taken for his injured back that had led to a medication-induced psychosis. When...