The Department of Homeland Security on Tuesday launched a multimillion-dollar ad campaign stating that undocumented immigrants with criminal records are not welcome in the United States.

At the same time, federal officials highlighted what they described as one of the largest enforcement actions in recent memory.

“If you come to America to rob Americans, we’re throwing you in jail and sending you back,” President Donald Trump said in remarks featured alongside the broader message. FBI leadership also described the operation as one of significant scale.

In Morristown, New Jersey, a 68-year-old man was crossing the street early in the morning when he was struck by a pickup truck traveling at high speed through an intersection.

Witnesses said the truck hit the man without slowing down. The impact threw him several feet, and he became pinned underneath the vehicle.

Emergency crews arrived and transported the victim to a hospital, but he later died from his injuries.

The driver fled the scene before authorities arrived.

At first, the case appeared to be a fatal hit-and-run. But investigators soon determined that the suspect was an undocumented immigrant with a prior deportation history.

According to authorities, the suspect had entered the United States in 2019, was deported at one point, and later reentered the country. Investigators said that raised broader questions about how he was able to return and remain in the country without detection.

The suspect was later identified as Wilson Adrien Moroce Necta, 33. Officials described him as someone who had prior contact with immigration authorities and experience evading law enforcement systems.

By early morning, the case had expanded beyond the local level and became part of a federal manhunt.

Investigators from the FBI and the Department of Homeland Security began working from a temporary command post, using traffic cameras, toll records, and license plate data to reconstruct the suspect’s movements.

Authorities said the suspect had no permanent address, no registered employment, and little traceable activity connected to his true identity.

Federal officials also said he had been living in an area where local policies limited cooperation with immigration enforcement, creating challenges for federal tracking efforts.

As the search continued, agents began reviewing transport records, temporary housing information, and prior immigration contacts tied to people in the same area.

According to investigators, those records began to reveal repeated names, overlapping addresses, and patterns that suggested a broader support structure.

Within a 25-mile radius of the suspect’s last known location, analysts identified hundreds of undocumented individuals with possible links through shared housing, employment records, or criminal histories.

By the afternoon, Homeland Security personnel had flagged at least 14 locations, including warehouses, short-term rentals, and transit points, for unusual activity over the previous several months.

Investigators also identified financial transactions that they said appeared structured to avoid federal reporting thresholds, including repeated deposits just under $10,000.

Officials said the total volume of suspicious funds exceeded $18 million.

Some of the locations had previously appeared in unrelated investigations involving document fraud and drug distribution, leading agents to examine whether the hit-and-run suspect was connected to a larger organized network.

Before dawn the next day, federal authorities carried out coordinated raids across six locations in northern New Jersey.

More than 300 federal agents were involved in the operation, which was carried out under sealed search warrants.

At one warehouse near Newark, investigators discovered a hidden living space behind a false wall. Authorities said 12 people were found there without identification or documented entry records.

At a nearby residential property, eight more individuals were taken into custody. Investigators said they recovered multiple passports bearing different names but matching the same people.

At a third site, a cold-storage facility, agents found sealed containers labeled as imported food products.

Inside, authorities said they uncovered more than two tons of narcotics, including methamphetamine and fentanyl pressed into counterfeit prescription pills. The estimated street value was placed at more than $148 million.

Investigators also reported finding 17 unregistered firearms, body armor, satellite communication devices, and ledgers documenting shipments across at least four states.

By shortly after 5 a.m., all six locations had been secured.

More than 200 people were taken into custody, and several were immediately referred for federal prosecution. Some were already linked to other investigations in New York, Pennsylvania, and Maryland, according to officials.

A short time later, authorities spotted a vehicle that had previously been identified in the investigation leaving a side road less than two miles from the original crash site.

Federal agents intercepted the vehicle. The driver attempted to flee on foot but was quickly apprehended.

Authorities said the man arrested was the suspect in the fatal hit-and-run.

Officials said he offered no explanation after being taken into custody.

Although the suspect’s arrest marked a major development, investigators said the broader inquiry was only beginning.

At a secured federal facility, analysts reviewed phones, paper records, storage drives, and an encrypted server recovered from an office in Elizabeth, New Jersey.

According to authorities, once part of the server was decrypted, investigators found what they described as a structured system of routes, locations, payments, and coded identifiers tracking the movement of people and materials across multiple states.

Analysts identified at least 218 transfers of individuals through the network over a 30-month period, officials said.

Financial data allegedly tied to the same system showed more than $72 million moving through shell accounts, broken into smaller transactions, routed through offshore channels, and later returned under the appearance of transport or logistics fees.

Investigators said they also found authorization codes that appeared to correspond to restricted inspection or clearance systems.

That discovery raised the possibility that some individuals with access to sensitive infrastructure or transport systems may have aided the network, whether through active involvement or failed deactivation of old credentials.

By early afternoon, authorities said the suspect in the Morristown crash had appeared in at least three separate transfer logs over the previous year.

Officials now believe he may have moved through a broader system that allowed individuals to be relocated and sheltered without drawing formal attention.

Internal alerts were later issued across five neighboring states as investigators traced possible links beyond New Jersey into Pennsylvania, New York, and parts of the Midwest.

Even with more than 200 arrests, large narcotics seizures, and significant financial records under review, authorities said the network itself may not yet be fully dismantled.

What began as a fatal hit-and-run investigation has now expanded into a multistate federal case involving suspected drug trafficking, identity fraud, illegal transport operations, and possible exploitation of enforcement gaps.

For investigators, the arrest of the driver may have closed one part of the case.

But the evidence recovered in the raids suggests the broader system behind him is still under investigation.