From the L. A. Times 
1.  40%  of all workers in L. A. County ( L. A. County has 10.2 million people)are working for cash and not paying taxes. This is because they are predominantly illegal immigrants working without a green card. 
2.  95%  of warrants for murder in  Los Angeles  are for illegal aliens. 
3.  75%  of people on the most wanted list in  Los Angeles  are illegal aliens. 
4.  Over 2/3  of all births in Los Angeles County are to illegal alien Mexicans on Medi-Cal , whose births were paid for by taxpayers. 
5.  Nearly 35%  of all inmates in  California  detention centers are Mexican nationals here illegally 
6.  Over 300,000 illegal aliens  in Los Angeles County are living in garages. 
7. The FBI reports half of all gang members in Los Angeles are most likely illegal aliens from south of the border. 
8.  Nearly 60%  of all occupants of HUD properties are illegal. 
9. 21 radio stations in L. A. are Spanish speaking. 
10. In L. A. County 5.1 million people speak English, 3.9 million speak Spanish. 
(There are 10.2 million people in L. A. County . ) 

(All 10 of the above are from the Los Angeles Times)  

Less than 2% of illegal aliens are picking our crops, but  29% are on welfare . Over 70% of the United States ' annual population growth (and over 90% of California ,  Florida  , and New York ) results from immigration.   29% of inmates in federal prisons are illegal aliens . 

We are a bunch of fools for letting this continue