Jerrold Nadler actually said...

I'm also concerned that we may have transferred our burden of border security to the Mexican Government.

I'm concerned that in our quest to expedite the removal of individuals from our country, we may be deporting those with serious persecution ...

Law enforcement involves enforcing those laws that provide protection from persecution, too, and we have an obligation to make sure that we ...

The supremacy clause does not trump the Fourth Amendment, and that the Federal courts have held detainers unconstitutional.