Less than 600 people crossed illegally into the U.S. from Mexico on Sunday – a stunningly low number since President Donald Trump took office.

Border Patrol recorded 582 illegal crossings of the U.S.-Mexico border on Sunday. It’s the lowest number the agency has recorded in years.

The woman accused of killing U.S. Border Agent David Maland allegedly used a gun bought by someone who was a person of interest in a double murder, prosecutors said.

According to reports, there were no injuries in the incident near Fronton Island, an uninhabited island in Starr County, Texas.

A group of suspected Mexican cartel members fired shots at U.S. Border Patrol agents on Monday afternoon as a group of migrants attempted to cross the Rio Grande.

Current and former federal senior law enforcement officials have warned of a possible “violent pushback” from Mexican cartels infuriated by President Donald Trump’s immigration crackdown for how it will curb their human smuggling incomes.

In an interview, Trump's border czar Tom Homan criticized Selena Gomez's emotional response to immigration orders in a post that's since been deleted.

Border czar Tom Homan said Monday night the Trump administration has “no apologies” for the ICE raids targeting illegal migrants in the US when asked about Selena Gomez’s since-deleted Instagram post in which she sobbed over the law enforcement action.

Tom Homan, President Donald Trump’s border czar, was not moved Monday by viral video of Mexican American actor Selena Gomez crying over mass deportations while saying, “All my people are getting attacked” and “I’m so sorry.