Case 252: Margaret Maher, Mersina Halvagis & Nicole Patterson
Casefile True Crime
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Peter Dupas and Ann Ackerst
Peter Dupas was 15 years old when he attacked his mother with a knife. The attack took place in Mount Waverly, Victoria on October 3, 1968. He straddled Ann Ackerst before wordlessly slashing at her hands, face and neck. After commending him for being a good son, Ann retrieved a small knife and handed it over.
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