But see the Posse Comitatus Act of 1878, 18 U.S.C. ยง 1385, which prohibits all domestic law enforcement by the Army (and Air Force) without express congressional authorization.https://t.co/0VltyygYr1

Border patrol sure seems more like law enforcement than combat... https://t.co/63Lk64TVVJ

— Steve Vladeck (@steve_vladeck) April 3, 2018