Let’s talk about what happens when immigration enforcement becomes optional and our borders turn into suggestions rather than sovereign lines. Carlos Ivan Mendoza Hernandez, a 36-year-old member of the notorious 18th Street Gang, decided last week that running over federal immigration agents was preferable to answering questions about a murder back in El Salvador. That’s where we are now. That’s the reality.

The FBI arrested this illegal immigrant Monday after he recovered enough from multiple gunshot wounds to leave the hospital. Good. He’s now facing charges for assault on a federal officer with a deadly weapon, which seems almost quaint given he literally tried to kill ICE agents with his car during what should’ve been a routine detention in Patterson, California.

Here’s how it went down. ICE officers pulled Mendoza Hernandez over, likely knowing his background and the outstanding murder investigation waiting for him in his home country. They asked him to step out of the vehicle. He refused. They asked again. He refused again. So one agent did what needed doing and broke the car window to extract him.

That’s when things escalated from non-compliance to attempted murder. Mendoza Hernandez gunned the engine and drove straight into an agent. Then he threw the car in reverse, smashing into a law enforcement vehicle parked behind him. But he wasn’t done. Court documents show he accelerated forward again, this time aiming directly at two federal agents who were just trying to do their jobs and go home to their families that night.

One agent had to jump out of the way as this gangbanger drove over the median and into oncoming traffic. Think about that for a second. Regular Americans driving to work or picking up groceries suddenly had a wanted criminal fleeing federal agents barreling toward them in the wrong lanes. The ripple effects of failed immigration policy don’t stay contained in policy papers and congressional debates.

The agents responded with gunfire, hitting Mendoza Hernandez multiple times. His vehicle eventually collided with another car, struck a guardrail, and came to rest about 500 feet from the initial stop. The whole chaotic scene could’ve been avoided if we’d had the political courage to enforce immigration law consistently years ago.

You know what’s infuriating? This isn’t some isolated incident we can dismiss as a one-off tragedy. The 18th Street Gang operates extensively throughout the United States, bringing violence honed in Central American wars to American streets. They traffic drugs, extort businesses, and commit murders. And we keep letting their members waltz across our borders because actually enforcing immigration law might offend someone’s sensibilities or complicate some politician’s demographic math.

The Department of Justice announced the arrest Tuesday with the kind of bureaucratic language that obscures the human cost. But there were real agents who went to work that day not knowing they’d be fighting for their lives against a vehicle used as a weapon. There were real motorists who suddenly found themselves in the path of a fleeing felon. There’s a real murder victim in El Salvador whose family might finally see some justice.

We’re told constantly that concerns about illegal immigration are rooted in prejudice or fear. No. They’re rooted in exactly this kind of preventable violence. When you don’t control your borders, you don’t know who’s coming in. When you don’t enforce immigration law, you signal that consequences are negotiable. When you tie the hands of federal agents trying to remove dangerous criminals, you get situations where those agents nearly get killed doing their jobs.

The free market works beautifully for goods and services, but immigration isn’t a market transaction. It’s a matter of national sovereignty and public safety. Limited government doesn’t mean no government. It means government focused on its core constitutional responsibilities, and protecting citizens from foreign threats sits right at the top of that list.

Mendoza Hernandez is in custody now, but only after agents risked their lives and taxpayers footed the bill for his hospital stay. How many others like him are out there right now? How many more ICE agents will face similar dangers because we’ve spent decades pretending that border security is somehow incompatible with American values?

It’s not. Enforcing the law isn’t cruel. Protecting citizens isn’t xenophobic. And expecting people who want to live here to follow the legal process isn’t asking too much. What’s actually cruel is the chaos we’ve allowed, the victims we’ve ignored, and the federal agents we’ve hung out to dry while they try to clean up a mess that starts at the policy level and ends with someone trying to run them over in California.

Related: DOJ Takes Connecticut to Court Over Sanctuary Policies That Defy Common Sense