Former SAS soldiers warn the prolonged war crimes investigation into Ben Roberts-Smith threatens to create life or death hesitation for troops in combat situations.The father of an Australian soldier killed in Afghanistan has questioned why a dedicated team of investigators has spent six years building a case against Victoria Cross recipient Ben Roberts-Smith while his son’s killer remains free.It comes as former SAS soldiers warn the Office of the Special Investigator’s (OSI) prolonged investigation into alleged war crimes is causing mental health issues to military families and creating life or death issues for soldiers in combat.Hugh Poate’s son Robert was...