Trump expands military use at the southern border. Are there legal limits?
The Posse Comitatus Act restricts using federal troops in civilian law enforcement. Exceptions exist, but Trump's crackdown on immigration is shaping up to be a major test for the law.
The Posse Comitatus Act restricts using federal troops in civilian law enforcement. Exceptions exist, but Trump's crackdown on immigration is shaping up to be a major test for the law.
(Image credit: David Swanson)
