Homeland Security Secretary Alejandro Mayorkas testified before a House panel on Tuesday, just days after Chris Magnus was forced to resign, according to reports, from his post as Customs and Border Protection commissioner.
The House Homeland Security Committee hearing also featured FBI Director Christopher Wray and National Counterterrorism Center Director Christine Abizaid. They fielded questions from lawmakers about the southern border and other national security threats.
The Department of Homeland Security has faced scrutiny amid record-high levels of illegal immigration, which has accelerated in recent months.
The following are five key exchanges from the hearing.
