Man accused of helping former lover kill woman during a sexual encounter . Micheal John Rachel Evans pleaded not guilty to murdering Colleen Deborah Ayers . The court heard he strangled Ms Ayers , 33 , with 'ringleader ' Duffy . He said his co-accused Evans was the one with a 'twisted desire to kill ' Rachel Evans reportedly buried Ms Ayers in shallow grave on her parents property . Evans pleaded guilty to murder and is set to receive a reduced sentence for giving evidence in Rachel Evans 's continuing trial .
Man accused of helping former lover kill woman during a sexual encounter . Micheal John Duffy pleaded not guilty to murdering Colleen Deborah Ayers . The court heard he strangled Ms Ayers , 33 , with 'ringleader ' Rachel Evans . He said his co-accused Evans was the one with a 'twisted desire to kill ' Duffy reportedly buried Ms Ayers in shallow grave on her parents property . Evans pleaded guilty to murder and is set to receive a reduced sentence for giving evidence in Duffy 's continuing trial .