Congressman received a letter from the U.S. attorney's office in D.C.
Several members raised their objections to the bill in speeches on the House floor
Texas Democrats Henry Cuellar and Vicente Gonzalez voted for bill
Far-right congresswoman deadnamed transgender colleague
LGBTQ+ caucus is among the largest in Congress
Republicans to regain control of chamber in January
Demonstrations were staged outside House Speaker Mike Johnson’s (R-La.) office