Many of them are employed in the black market.
Much of that "black market" is the illegal drug industry. Many blacks occupy their time in gang activities centered around drug sales and pimping. To access new capitol, gang bangers rob and burglarize. To compete with the competition, they kill the competition. There are some, like Trayvon Martin who
We can thank the Obama Syndicate and the DemonRATs for creating the oppressive market environment where everything is regulated until costs drive free enterprise into the black market.
To some this is a benefit because it provides the availability of illegal drugs like never before. It also provides an easy source for drugs and payoffs to corrupt politicians. To them it is the good times.