In a combative hearing before Congress on Wednesday, Department of Homeland Security (DHS) Secretary Kirstjen Nielsen testified for the first time since Democrats became the majority in the House of Representatives. During the House Homeland Security Committee hearing, Nielsen refused to admit culpability in family separation, denied reports that asylum seekers are being turned away at the border, and called on Congress to roll back humanitarian protections that she claimed are leading to a “crisis” at the border.

In her last appearance before Congress in December, Secretary Nielsen struggled with basic facts. She admitted she didn’t know how many children had died in DHS custody and that she was unfamiliar with studies showing undocumented immigrants commit fewer crimes than American citizens. She was even stumped by a question about how many ports of entry there are along the U.S.-Mexico border.

At Wednesday’s hearing, Nielsen was substantially more prepared and rattled off multiple figures when asked whether there was a national emergency at the border. However, when Democrats pressed her on data that contradicted her point of view, she frequently told them she was unaware of those numbers and would get back to them. This led one frustrated member of Congress to suggest that Nielsen was deliberately only answering Republican lawmakers’ questions.

Nielsen’s testimony came the day after Customs and Border Protection (CBP) released data showing that the number of apprehensions on the U.S.-Mexico border in February was the highest in years. This was driven almost entirely by record numbers of families crossing the border and then immediately asking for asylum.

Even though apprehensions are still far lower than 20 years ago, Nielsen seized on this data at the hearing to call for Congress to fund new border barriers, limit asylum protections, and allow for lengthy detention of families by ending the Flores settlement.

Despite Nielsen’s desire to move forward from last year’s disastrous family separation policy, many Democrats still demanded answers on the policy’s implementation. As with previous hearings, Nielsen repeatedly insisted that there was no “family separation policy,” and that family separation was just a secondary consequence of the Zero Tolerance policy, saying “The consequence of any adult going to jail is being separated from their child.”

Of course, unlike what happens in the criminal justice system, parents separated from their children at the border remained separated even months after they had been released from jail, with many deported to another country.

Nielsen made several other claims that sparked outrage among some Democratic members of the committee. She claimed that “there was no parent who has been deported, to my knowledge, without multiple opportunities to take their children with them.”

But just hours after the hearing concluded, the Trump administration said it had identified 471 parents who were deported to their home countries without being given an opportunity to reunite with their child. Taking to Twitter after the hearing, Rep. Kathleen Rice (D-NY) called Nielsen’s claim a “lie” and said that “the last person who” lied to Congress under oath “is going to prison.”

Nielsen also faced tough questioning from Rep. Nanette Barragán (D-CA) about the administration’s practice of turning asylum seekers away from ports of entry. When the secretary denied that asylum seekers are being turned away, Barragán described how she’d witnessed this happening herself and called Nielsen’s response “totally unacceptable.”

Nielsen’s performance at the hearing demonstrates once again that this administration is trying to avoid a full accounting of its actions at the border. Despite being under oath, Secretary Nielsen presented information that was out of context, refused to answer questions that were politically inexpedient, and continued to demand changes to laws that Congress already rejected. But as the new majority in the House ramps up oversight of the Trump administration, Nielsen’s performance will likely lead to more scrutiny of DHS—not less.

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