On September 3 at approximately 6:15 p.m., officers responded to a residence on Shelby Crescent in Mississauga in regards to an assault. Upon arrival, Mariantonia Biunno an 88-year-old woman was located suffering from life-threatening injuries and was transported to hospital where she later died from her injuries which were caused by blunt force trauma.
Her son Antonio Biunno attended a local police station shortly after the incident and surrendered himself to police.
Antonio Biunno is a 52-year-old man from Mississauga. He attended the Ontario Court of Justice on September 4, 2019 in answer to the charge of Second Degree Murder.
Anyone with information is asked to call investigators from the Homicide and Missing Persons Bureau at (905) 453–2121, extension 3205. Anonymous information may also be submitted by calling Peel Crime Stoppers at 1-800-222-TIPS (8477).