national security

Acting Homeland Security Secretary Kevin McAleenan takes the podium at a immigration law and policy conference, Monday, Oct. 7, 2019 in Washington. As he took the stage, a handful of protesters stood up and held large black banners, one read “Hate is Not Normal,” and shouted out that children were under attack. They also began yelling the names of children who had died after they were in immigration custody. McAleenan was scheduled as the keynote speaker at Georgetown University Law Center during an annual immigration law and policy conference held by the nonprofit immigration think tank Migration Policy Institute. (AP Photo/Colleen Long

FILE - In this Sept. 27, 2016 file photo, Haitians make their way towards the border crossing in Tijuana, Mexico. The Trump administration is planning to expand the collection of DNA from migrants who cross the U.S. border, and to include the information in a massive criminal database operated by the FBI (AP Photo/Gregory Bull, file)

President Donald Trump walks to the Oval Office of the White House in Washington, Thursday, Sept. 26, 2019, as he returns from attending the United Nations General Assembly in New York. (AP Photo/Carolyn Kaster)

Speaker of the House Nancy Pelosi, D-Calif., arrives at the Capitol in Washington, Thursday, Sept. 26, 2019, just as Acting Director of National Intelligence Joseph Maguire is set to speak publicly for the first time about a secret whistleblower complaint involving President Donald Trump. Pelosi committed Tuesday to launching a formal impeachment inquiry against Trump. (AP Photo/J. Scott Applewhite)

House Intelligence Committee Chairman Adam Schiff, D-Calif., talks to reporters about the release by the White House of a transcript of a call between President Donald Trump and Ukrainian President Voldymyr Zelenskiy, in which Trump is said to have pushed for Ukraine to investigate former Vice President Joe Biden and his family, at the Capitol in Washington, Wednesday, Sept. 25, 2019. House Speaker Nancy Pelosi, D-Calif., and the Democrats are now launching a formal impeachment inquiry against President Donald Trump. Rep. Schiff characterized Trump's words saying, "this is how a mafia boss talks." (AP Photo/J. Scott Applewhite)

Rep. Elissa Slotkin, D-Mich., leaves a House Democratic Caucus meeting with Speaker of the House Nancy Pelosi, D-Calif., where Pelosi was persuaded to launch a formal impeachment inquiry against President Donald Trump, at the Capitol in Washington, Tuesday, Sept. 24, 2019. Rep. Slotkin is one of several freshmen Democrats with national security backgrounds who wrote an op-ed letter to the Washington Post calling for Trump's impeachment. (AP Photo/J. Scott Applewhite)

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U.S. President Donald Trump arrives to address the 74th session of the United Nations General Assembly at U.N. headquarters Tuesday, Sept. 24, 2019. (AP Photo/Mary Altaffer)

Acting Secretary of Homeland Security Kevin McAleenan exchanges folders with El Salvador Foreign Affairs Minister Alexandra Hill after signing an agreement during news conference at the U.S. Customs and Border Protection headquarters in Washington, Friday, Sept. 20, 2019. (AP Photo/Pablo Martinez Monsivais)