(The Center Square) – A witness testifying before Congress on Wednesday about the border crisis acknowledged he’d never been to the border, resulting in U.S. Rep. Andy Biggs, R-Arizona, raising questions and concerns about the testimony.

Speaking before members of the U.S. House Committee on Oversight and Accountability on Wednesday, David Bier, associate director of Immigration Studies at the Washington, D.C.-based libertarian Cato Institute, blamed failed immigration policies on the Trump administration.