Chuck Schumer keeps bills from coming up for a vote so fellow Dems won't have to be seen voting "No". He doesn't want the voting public to know that the Dems WANT these people to stay to become future Dem voters.
Straw Man: The issue isn't whether illegal aliens commit more violent crime that legal residents; the issues is whether they should be allowed to stay here when they do.
Trump's problem is that he isn't here illegally.