WATCH LIVE: House GOP Holds Mayorkas Impeachment Hearing

House Republicans are moving forward with their effort to impeach Homeland Security Secretary Alejandro Mayorkas for his handling of the crisis at the U.S.-Mexico border, with their first hearing on the matter set to get underway Wednesday morning.

The hearing before the House Homeland Security Committee will feature testimony from attorneys general from Montana, Oklahoma and Missouri.

The hearing will focus on how states have been impacted by Mayorkas' leadership.

The hearing is slated to start at 10:00 a.m. EST.