The missing child

Hazel Wong lives a happy life with Alexander Arcady, Daisy Wells, Amina El Magraby, George Mukhigee, next door to her father, her ah ma, her jie jie and her sisters, Rose and May, and her brother, Edward, more commonly known as Teddy. She is married and has 3 children: Meli Daisy aged 15, Tiancai and her youngest child, and her only son, Vincent George Arcady.

Her son is only 2 months old when he is killed. And the suspects: Hazels whole family, Amina, Daisy, their daughter Penny, George, Lavinia and their son Arthur.

Who did it? Who killed Vincent