That kid in the black jacket is not Antonio Martin

This clip posted on ImGur.com is going around on Twitter, and a lot of people think the kid in the black jacket with the cell phone is Antonio Martin. I thought so, too, at first. But then I noticed the third figure in the clip.

Yes, the kid in the black jacket is holding a cellphone and not a gun, but that kid in the black jacket is also not Antonio Martin.

Unfortunately, Antonio is the kid