The article is stating in effect that 13% of African American males are felons generally, and in some places 40%.
The article misses its own point:
If true, the problem isn't voting, it is a serious indictment of the community referenced and its moral disintegration. It should also be advocating racial profiling.
If false or exaggerated, it is a racist slander
You can take a tour of any Maryland state prison and you’ll notice something pertinent to those statistics, right off the bat.