Siu has hardly slept over the past 14 days. Whenever she closes her eyes, her mind is filled with her son’s face and memories of the day that changed her family forever. On September 15, at her rooftop apartment in North Point, she made dinner for her youngest son and his wife, washed the dishes and then took a shower. On returning to the living room, she overheard the couple talking in a bedroom. “Don’t be scared, don’t be scared,” Siu could hear her daughter-in-law saying to her son. A worried Siu – who asked to be identified only by her first name – lit an incense stick, and poured a cup of…