Blacks make up about 13% of the population but they make up 40% of male inmates in jail or prison. With such a huge disparity one can start thinking cultural is

Blacks make up about 13% of the population but they make up 40% of male inmates in jail or prison. With such a huge disparity one can start thinking cultural issues (whatever they are) may be at play. Unless you subscribe to 19th Century "scientific racism."