Perth father charged over baby son's death

7News Just In · Nov 6, 2026 · 1m

A 23-year-old Perth father has been charged with manslaughter after his five-week-old son died in hospital from injuries allegedly inflicted during a family violence incident at their Kiara home. Matthew Wayne Winmar was arrested in Katanning three months after the baby's death, following an extensive homicide investigation. He also faces two counts of aggravated assault against his partner, the child's mother, with one alleged attack occurring on the same day as the fatal injuries to the infant. If you or someone you know is impacted by sexual assault, domestic or family violence, call…