The brutal killing of a mother and her two young autistic children in Campbelltown in May has left Australia grieving and searching for answers. The deaths of Kamrun Nahar, 46, and her sons Ayman, 12, and Ayaash, 4, allegedly at the hands of their husband and father, shocked not only the Bangladeshi and Muslim communities but the entire nation. Police allege the killings were planned over several months, making the tragedy even more heartbreaking.