This is the second time 40-year-old Gurpreet Singh stood trial for the quadruple homicide that left his wife, 39-year-old Shalinderjit Kaur; her parents, 59-year-old Hakiakat Singh Pannag and 62-year-old Parmjit Kaur; and Parmjit's sister, 58-year-old Amarjit Kaur dead.