richard bilton has the story.he officer was one of several members of special forces who registered concerns back in 2011 that the sas appeared to be carrying out executions and covering them up. richard bilton has the story. uk special forces are facing the worst allegations — that in afghanistan they murdered civilians and covered it up. a public inquiry has heard from senior officers from inside special forces who believe things did go wrong. "i thought and think that on at least some operations the sas "was carrying out murders." another senior officer was equally damning. "the sas had a golden pass, allowing them to get away with murder." and one junior officer said he'd been told young men and children were executed. "i suppose what shocked me most wasn't the execution of potential well, you weren't there, so you don't understand. these guys do understand and they're still calling it murder. at bbc panorama, we've spent years looking at killings carried out by the sas. our work helped prompt the public inqui