What you wrote is not accurate. He did not say that he "could shoot someone" and get away with it, he was talking about how the pollsters had characterized the loyalty of his voters.
Listen to the video yourself. It can easily be found with any search engine and your credibility is going to be seriously damaged by continued propagation of false statements.
No need to thank me, I'm happy to help.
Trump: I could shoot somebody and not lose voters
That is exactly what he said and the video proves it.