Former senior-ranking U.S. Border Patrol official Aaron Heitke alleged in testimony given before House lawmakers that the Biden-Harris administration purposely covered up the crisis at the southern border as millions of migrants illegally entered the United States.

The former Border Patrol official responsible for securing nearly 1,000 miles of America’s frontier has charged that the Harris-Biden administration intentionally covered up the ongoing migrant crisis.

Republicans call hearing, as party seeks to make border a major issue in fall elections, while Democrats accuse Donald Trump of deliberately keeping the issue alive