SHEBOYGAN, WI (WHBL) - The trial of a Sheboygan teen charged in a brutal murder begins Monday in Sheboygan County Court. 14 year old Nathan Paape is charged with first degree murder in the death of 78 year old Barbara Olsen last September in her Sheboygan Falls home. Her great-grandson, 14 year old Antonio Barbeau has already pled guilty to the murder and will be sentenced on August 12th. He is expected to testify during the weeklong trial which begins today before Judge Timothy Van Akkeren. The two allegedly bludgeoned Olsen with a hammer and a hatchet and then robbed her. The jury which will decide the case was selected last Friday and will hear opening statements this morning, after which, testimony will begin.