As federal immigration agents have ratcheted up enforcement raids, critics warn that their tactic of masking spreads fear and ...

John Cohen, an ABC News contributor and a former acting undersecretary at the Department of Homeland Security, talks about the federal government’s emergency response.

Members of Congress are carrying on the tradition of “oversight by showing up” to inspect Immigration and Customs Enforcement ...

Border Patrol agents and police killed an armed gunman who opened fire at agents at a Border Patrol facility in McAllen, Texas, on Monday.