Bill Melugin

A possible mass casualty human smuggling event was uncovered in Texas Friday when more than a dozen migrants were found dead or in critical condition in a train car.

New video appears to show a migrant child drifting down the Rio Grande near Eagle Pass, Texas alone on a flotation device. A Texas National Guard soldier rushed to assist the child.

Sen. Roger Marshall announced he is introducing a resolution for a vote of no confidence in embattled DHS Secretary Alejandro Mayorkas on Tuesday, amid a fiery hearing.

A 38-year-old man suspected of killing five people in Texas after they complained about him shooting his AR-15 late at night has been deported five times, according to an ICE source.

Top immigration authorities authorized the "safe" mass release of migrants to U.S. cities if non-governmental organizations lack the capacity to hold them.

Border Patrol agents have apprehended over 10,000 migrants on multiple days so far this week, ahead of the end of Title 42 later this week -- it marks a new record.

Border Patrol leadership has issued a memo authorizing release of illegal migrants into the U.S. without court dates if overcrowding becomes an issue, Fox has learned.

Border Patrol agents arrested an Afghan national on the FBI’s terror watchlist after he crossed into the U.S. illegally Wednesday in California, sources told Fox News.

Border Patrol agents have encountered 16 people on the terror watch list in April, according to statistics released on Wednesday, as they deal with high migrant numbers.

Suspected Mexican cartel members were arrested on the U.S. side of the southern border this week, authorities said.