The breakdown in is the full article. Still, doesn't say how many are illegal aliens though.
"As of last December 31,
more than half of the probationers were white,
30 percent were black,
12 percent were Latino and
2 percent were of other races."
The US Population by Race and Ethnicity
Year 2000, Projected Figures
I have heard that 25% are illegal aliens. Anyone have a better figure?