The charges were 'just-in-case' they can't convict on the first degree intentional, they can still get him for the lesser. And, yes, you can be be found guilty of multiple charges and multiple variations if the jury finds you meet the legal definition of those charges.

This was a way to clear the man of the more severe charges. The judge knows this and granted the defense's motion so that his client won't get convicted of murder. The challenge is used by defense attorneys for black criminals successfully all across blue shitholes playing to these activist judges with an extreme liberal bias.