Texas GOP Senator Ted Cruz mocked Vice President Kamala Harris‘ role as unofficial “border czar” Friday, claiming that President Joe Biden is directly responsible for the “flood of humanity” coming into the United States.

Speaking with The Chad Hasty Show radio program, Cruz once again took lead as the GOP’s chief critic of the Biden administration’s handling of the migrant family crisis at the U.S. southern border. He warned listeners that the U.S. is on pace to surpass two million illegal crossings in 2021 and repeatedly touted that he and 19 other GOP senators went to the border last month.

“We went out with the Border Patrol on their midnight patrol, we saw caravans of people just hiking north from the Rio Grande. We saw children, little children, walking all alone. We saw moms nursing with infant children, just walking north, just a stream of humanity,” Cruz said on the program Friday, highlighting a “midnight patrol” he and the other GOP lawmakers participated in along Texas’ southern border. “We went out with the Border Patrol on their midnight patrol, we saw caravans of people just hiking north from the Rio Grande. We saw children, little children, walking all alone. We saw moms nursing with infant children, just walking north, just a stream of humanity,” Cruz said on the program Friday, highlighting a “midnight patrol” he and the other GOP lawmakers participated in along Texas’ southern border.