From Just The Facts:
The Washington Post has published a blatant falsehood in support of the claim that illegal immigrants are less likely to commit serious imprisonable crimes than people born in the United States. Furthermore, the Post ignores data from the Census Bureau, Department of Justice, and Homeland Security that proves the polar opposite is true. These straightforward, comprehensive facts reveal that illegal immigrants are much more likely to commit such crimes.
The Washington Post Grossly Understates the Crime Rate of Illegal Immigrants – Just Facts
By using a patent falsehood and disregarding key facts, the Post paints a picture of illegal immigration and crime that is diametrically opposed to reality.