1) I know a number of illegal immigrants and they do not pay taxes. 2) They couldn't anyway even if they wanted to since they don't have a tax ID. 3) Since th

1) I know a number of illegal immigrants and they do not pay taxes. 2) They couldn't anyway even if they wanted to since they don't have a tax ID. 3) Since their employer is already breaking the law by hiring them paying taxes doesn't make a whole lot of sense.