William F. Styler enters guilty plea to second-degree murder of Aspen socialite Nancy Pfister

ASPEN, Colo. - A former Denver anesthesiologist has pleaded guilty to second-degree murder in the bludgeoning death of a prominent Aspen woman and was sentenced to 20 years in prison.

66-year-old William F. Styler entered his plea Friday after accepting an agreement with prosecutors, the Aspen Times reports

Prosecutors said Pfister killed 57-year-old Nancy Pfister on Feb. 24, striking her with a hammer while she slept.

Styler, his wife and Pfister's personal assistant had all been charged with first-degree murder.

Prosecutors dropped the charges against 62-year-old Nancy Styler and Pfister's assistant, 56-year-old Katherine Carpenter.

Pfister's parents co-founded the Buttermilk ski area. Pfister had been renting her home to the Stylers while she was vacationing in Australia. She was killed shortly after she returned.

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