If passed, HR 4437 is likely to drive undocumented immigrants further underground and increase their vulnerability to exploitation by broadening the definition of alien smuggling to include family members, employers, and immigrant advocates.

Your own rules make you vulnerable to exploitation by those who won't abide by them.

only drive users underground.

It would say to those 11 million undocumented immigrants that you have to come forward and register, pay thousands of dollars of fines so that you can be deported to your home country with no guarantee of ever coming back again. We don't think that's feasible.

Laws ostensibly directed at undocumented immigrants inevitably affect the treatment of lawfully present immigrants and citizens who share the ethnic, racial, or national origin characteristics of undocumented immigrants.

You have to have a catcher because if you don't you're likely to have a lot of passed balls.