Get this
http://michellemalkin.com/2007/01/09/how-often-are-illegal-aliens-repeat-offenders/
http://www.washingtonpost.com/wp-dyn/content/article/2007/01/08/AR2007010800285.html
The Justice findings by department Inspector General Glenn A. Fine examined the criminal histories of 100 illegal immigrants arrested and then released by local and state authorities in 2004, the latest complete data available. Of the sample group of 100, according to the audit, 73 immigrants were later arrested a collective 429 times _ on charges ranging from traffic tickets to weapons and drug charges.
The data suggest "the rate at which released criminal aliens are re-arrested is extremely high," the audit noted.