It can be both. Perhaps the systemic bias leads to higher crime rates.
It's definitely both. And that definitely won't change until we start treating blacks equally and giving them the same advantages/quality of education/etc we give whites. We all know there are double-standards in our society that we'd prefer not to talk about... less so than ever before, but they're still there. So its a vicious cycle... but more blacks will keep committing more crimes until we give them the opportunity to make more money and have more prestige and get out of the slums. Once they feel like fully-accepted citizens with futures outside of drugs and gangs they'll stop committing the majority of the crimes; it's that simple.I hope we see that day.ZAP