St. Paul (Learfield News Service) -  Minnesota lawmakers are working on new rules for the way the state's prison system uses solitary confinement in prison inmate disciplinary actions.  

The bipartisan group in the Legislature wants it banned outright for inmates with severe mental illness.

Minnesota has no laws directly addressing the use of solitary right now.  

Over the last 10 years, more than 400 inmates have served one year or more in isolation. One inmate, diagnosed with schizophrenia, spent nine years in what is officially called "restrictive housing."

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