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Man Accused Of Pushing Snowboarder Off Chairlift Pleads Not Guilty

ASPEN, Colo. (CBS4) - The man accused of pushing a snowboarder off an Aspen chairlift has pleaded not guilty by reason of insanity.

Thomas Proesel, 31, entered the plea via Skype on Wednesday from a psychiatric facility in Tennessee.

In February, a judge allowed Proesel to post $10,000 bond under the condition he would get treatment there. He was accompanied by his father and uncle.

Thomas Proesel
Thomas Proesel (credit: Pitkin County Sheriff's Office)

Police say Proesel pushed Seth Beckton on Jan. 17, causing him to fall about 25 feet into deep snow.

Proesel has been charged with felony assault.

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