In response to U.S. President Donald Trump’s threats of imposing tariffs, Mexico has deployed 10,000 National Guard and military personnel along its border. Troops have been seen patrolling areas near Tijuana and Juarez. Despite a decline in drug trafficking and illegal migration over the past year, Trump has declared a border emergency. The U.S. administration aims to curb arms smuggling and violence, as criminal groups compete to control the lucrative migrant smuggling industry.