Ben Roberts-Smith and the chain of command

Last week, one of Australia's most decorated soldiers, Ben Roberts-Smith, was found to be a war criminal and murderer, after losing a civil defamation case against three newspapers.  The shock ruling in the Federal Court has now reopened debate over the behaviour of Australian special forces deployed during the war in Afghanistan.  Today, investigative reporter Chris Masters, who along with Nick McKenzie exposed Ben Roberts-Smith, on the continuing fallout of the case, and the failings of the military's chain of command.  Featured:  Chris Masters, investigative reporter, The Age and The Sydney Morning Herald