It looked, to me, that after the man spun around, he took a shot and dropped like a rag doll. It looked as though the cop kept tagging a motionless person. The trial will clarify things, but the 14 shots after the first two will be near impossible to justify. There were 7 cops there I think.
Read the last paragraph of the article.
To me it looks like the first shot causes him to spin around and the second shot drops him.