It's been reported the number of illegal immigrants in the United States (may be) as high as 20 million people. Statistically if they were all are drug dealers, rapists, and criminals American companies would not continue to (break the law) in hiring undocumented workers low wage jobs.
Percentage wise the criminal element must be fairly low or there'd be chaos!
A lot of these politicians have illegal immigrants working in their homes! My guess is Donald Trump may have some working as maids in his hotels. The dirty little secret in America is our economy enjoys taking advantage of cheap labor and free labor. This goes back to the slave era.
As long as they're cleaning homes, mowing lawns, picking fruit, doing assembly work in small factories for low wages (quietly) for fear of deportation then there is no issue with them being here.
However once people start talking about a "path to citizenship" or civil rights suddenly they must go! Everything that is wrong with country is their fault!
It's about fear. If you give people the right to vote you give them power. If every company had to start paying them minimum wages they'd be upset.
Who stands to lose money and power if things were to change?
Which political party stands to gain more voters with reform?
Illegal immigrants are not competing for high tech jobs, engineering jobs, mid-level and high level executive jobs. Most of them are doing jobs we really don't want to do! Illegal immigration has been one of the backbones of our economy for many years!
They suddenly (all) became drug dealers and rapists once a movement started for making them citizens.