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ASPEN — A 32-year-old man who threw a snowboarder off a chairlift at Aspen Highlands in January pleaded not guilty Wednesday by reason of insanity in connection with the incident.
Thomas Proesel, who is reportedly suffering from a serious mental illness, appeared in District Court in Aspen via Skype with his lawyer from a psychiatric facility in Tennessee where he is receiving treatment. He is charged with felony attempted first-degree assault.
According to state law governing insanity pleas, Proesel must now be examined by a psychiatric evaluator from the state psychiatric hospital in Pueblo.
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![[prison 19] Caption: This is Cellhouse 1, Pod A, from ground level inside the Sterling Correctional Facility which is located outside of Sterling, Colorado Thursday afternoon. Photographer: LEW SHERMAN Title: FREELANCE Credit: SPECIAL TO THE POST City: Sterling State: CO Country: USA Date: 19990617 ObjectName: prison 19 Keyword: PUBDATE____1999_06_22](/wp-content/uploads/2016/04/20151207__denverpostp1.jpg?w=538 "20151207__denverpost~p1.jpg")
