Well it's definitely not the guy in the photos on left, whether it's Crooks or Yearick.

The photos on the left are from a twitter account who posted them as a joke, and the photo on the very left is a screenshot of a video made and posted well AFTER the shooter died, which ended in him saying "you have the wrong guy."

However, the fact that Yearick was scrubbed from the internet hours after the shooting (including google, hours earlier returning all kinds of results, then returning no results by 9pm), as well as the video from which the screenshot on the left was taken being deleted everywhere it was posted, makes me inclined to believe that even the confirmed name is wrong, and could easily be Yearick.

The monkey wrench is the aerial shot of the supposed shooter from an unknown source, that shows him in the same T-shirt. That photo is DEFINITELY NOT Yearick, and looks much more like Crooks.

About 4 different "confirmed shooters" were cycled through on social media yesterday, so my assumption is that none of the information is accurate, and it's all one giant obfuscation campaign to focus on unimportant things.