Texas Public Safety Department Lt. Chris Olivarez breaks down the shooting between suspected Mexican cartel members and Border Patrol agents on ‘America’s Newsroom.’

U.S. Border Patrol agents exchanged gunfire with suspected cartel members at the Texas-Mexico border on Monday afternoon. (Source: Lt. Chris Olivarez, Texas DPS)

A gunshot was fired from the southern side of the U.S.-Mexico border toward U.S. Border Patrol agents, and multiple shots were returned by U.S. authorities into Mexico, according to federal and state law enforcement officials sources with firsthand knowledge of the situation.