/tags/kirstjen-nielsen Kirstjen Nielsen en-US Copyright Sun, 07 Apr 2019 22:06:00 GMT /news-partners/2019-04-07/kirstjen-nielsen-leaving-homeland-security-post-as-border-crossings-surge President Trump announced the secretary's departure amid a 10-year high in illegal border crossings. The two reportedly clashed as Nielsen was unable to stop flows of migrants entering the U.S. Sun, 07 Apr 2019 22:06:00 GMT /news-partners/2019-04-07/kirstjen-nielsen-leaving-homeland-security-post-as-border-crossings-surge Arnie Seipel, Laura Smitherman, Brian Naylor