Not that many Aztecs in that area.
Florida? They're as far as new york and recruit all kinds. It could have been anything else. Is that really a productive activity on your schedule, look at criminal cases and guess who is black? It's like there are so many intellectual remarks one could make about such a case, and this is barely a maybe and if your hypothesis is proven to be correct and the child is black, now what will you have to show for your mental effort? If there actually is a thought process involved here...