According to the FBI, the number of arrests in 2009 of whites was more than twice the number of blacks (7,389,208 to 3,027,153). So the statement that more criminals are black is plainly false. Perhaps people here should reflect on why they assumed the opposite is true.
http://www2.fbi.gov/ucr/cius2009/data/table_43.htmlLook at per-capita numbers. 3 million is a lot higher percentage of the black population compared to the 7 million of the white population.