9news.com.au | Mother and her two children were strangled with cable ties in a triple murder, court hears 9news.com.au A man used cable ties to strangle his partner and her two children, also binding the heads of the young boy and girl with tape and tying up their hands and feet, a trial into the triple murder has been told. Steven Graham Peet, 31, pleaded guilty in ... Steven Graham Peet stands trial in the Supreme Court over May 2016 triple murder at Hillier, SA Hillier triple-murder trial: Steven Peet pleads guilty to murdering mother but not her children Cable ties used in SA triple murder |