A congressman from the president’s home state is threatening that he will urge Latino voters to stay home this November if the Democratic Party does not make a concerted effort to pass comprehensive immigration reform.

Rep. Luis Gutierrez (Ill.) is arguably President Barack Obama’s biggest Democratic critic in Congress. And he’s not fond of Obama’s top advisers at the White House, either.

The Congressional Hispanic Caucus (CHC) member has strongly criticized the administration’s policy on deportation and questioned its commitment to far-reaching reform.