In one of the most unexpected public feuds inside federal law enforcement this year, Acting District Attorney for New Jersey Alina Habba has thrown a sharp verbal jab at U.S. Marshal Juan Mattos Jr. — and it’s making waves far beyond the crime scenes.

The tension erupted amid the ongoing Operation Apex Hammer, a massive federal criminal sweep that resulted in the arrest of 264 fugitives, including gang members, illegal immigrants, and individuals charged with some of the most heinous violent crimes in recent memory. While officials publicly celebrated the operation as a “victory for public safety,” insiders reveal a far more volatile dynamic brewing behind closed doors.

At the heart of the controversy lies a pointed, almost cinematic exchange between Habba and Mattos. According to multiple law enforcement sources who spoke to The Post on condition of anonymity, the two officials clashed during a strategy meeting late last week, debating not the operation’s success — but who should be blamed for the crime wave that made it necessary.

“Some people clean up the mess they helped make,” Habba reportedly remarked, without naming names but with her eyes fixed directly on Mattos, leaving no doubt as to her target. Witnesses described the atmosphere as “electric” and “palpably hostile.”

The comment, though brief, sent ripples through the ranks. It was an unmistakable accusation, suggesting that federal agencies — including the U.S. Marshals — had for years failed to properly contain violent crime and illegal immigration in New Jersey, effectively allowing conditions to deteriorate to the point where operations like Apex Hammer were now desperately needed.

Mattos, a respected veteran in federal law enforcement, chose not to respond publicly to Habba’s remark. But sources say his camp is livid, viewing Habba’s statement as a reckless attempt to score political points and overshadow a successful joint operation.

“This isn’t about egos. This is about public safety,” one source close to Mattos told The Blaze. “The Marshal Service has been working these streets long before she arrived and will be here long after she’s gone.”

The controversy underscores the widening divide between newer, aggressive federal prosecutors like Habba — known for her uncompromising rhetoric and national media profile — and veteran career officials like Mattos, who operate within more traditional, tight-lipped law enforcement frameworks.

Operation Apex Hammer itself has become a lightning rod for criticism and debate. While hundreds of fugitives were apprehended, including gang members and suspects accused of sexual assaults, homicides, and drive-by shootings, critics argue that the operation is a band-aid solution to a much deeper, systemic problem.

Two illegal immigrants captured during the sweep were linked to particularly disturbing sex crimes, including one against a minor. The presence of these cases has further fueled public debates about the federal government’s handling of border security and the criminal justice system’s ability to monitor and detain dangerous individuals.

Habba, no stranger to high-profile clashes — having once served as former President Donald Trump’s personal attorney — has leaned into the controversy, using her social media accounts to double down on her comments.

“When you let the wolves roam for too long, don’t act surprised when you have to hunt them in your own backyard,” she posted on X (formerly Twitter) shortly after the incident. The post has since been viewed over 1.3 million times and drawn both applause and condemnation.

Mattos, for his part, has maintained a diplomatic stance, issuing a press release emphasizing the “successful cooperation between agencies” and vowing to “remain focused on the mission, not distractions.” But sources inside the Marshal Service admit morale has been rattled by Habba’s remarks, with some rank-and-file deputies privately questioning whether this marks the beginning of a deeper rift within federal law enforcement’s upper ranks.

Political analysts suggest that Habba’s move was deliberate — positioning herself as a tough-on-crime outsider willing to call out what she views as establishment failures. With speculation swirling about her potential ambitions beyond the DA’s office, the public feud could serve as a launching pad for a larger national profile.

Whether the fallout from this very public clash will affect ongoing operations or federal-state partnerships remains to be seen. But one thing is clear: in a landscape already fraught with rising violent crime rates and immigration controversies, the last thing law enforcement needed was an internal war of words.

And yet — it just got one.

As one veteran federal officer put it bluntly to The Post: “It’s never the criminals who tear these agencies apart. It’s the people in the conference rooms.”