Woman pleads guilty to murdering mother-in-law in Valley Cottage

Diana Nadell pleaded guilty to murdering her mother-in-law, Peggy.

Diana Nadell pleaded guilty to murdering her mother-in-law, Peggy. (3/6/15)

YONKERS - The woman accused of killing her mother-in-law one year ago has pleaded guilty today.

Diana Nadell pleaded guilty to murdering her mother-in-law, Peggy.

As News 12 reported, Peggy Nadell was found beaten and stabbed to death in her Valley Cottage home.

At first Diana Nadell said she has no involvement in the murder, but now she says she was there during the murder but that another woman, Andrea Benson, committed the actual crime.

Diana Nadell also pleaded guilty to conspiring to kill the two key witnesses in the case.  

Nadell faces up to 23 years to life at her sentencing in May.

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