DHS Secretary Kirstjen Nielsen resigns after clashes with Trump on immigration Prison Planet.com Posted on April 8, 2019 Posted in Aggregated No Comments Tagged with U.S. News CBS News | Customs and Border Protection Commissioner Kevin McAleenan will serve as acting DHS secretary, Mr. Trump announced. Share this:Share Share on Facebook (Opens in new window) Facebook Share on Reddit (Opens in new window) Reddit Share on X (Opens in new window) X Share on LinkedIn (Opens in new window) LinkedIn Email a link to a friend (Opens in new window) Email