article_snippet: The 32-year-old, who shot Hassan Abbas Said in a violent struggle in 2003, was cleared by two military investigations only then to face a murder charge – but was once again cleared.
article_snippet: Sergeant Barry Singleton, cleared of wrongdoing after a two-year investigation but now faces more questions .
article_snippet: The 33-year-old Scot, who shot an Iraqi civilian at a checkpoint in Basra 11 years ago, had his case dropped in 2005.