The Southern District of Texas went into overdrive this week as federal prosecutors moved on a staggering 371 cases involving immigration and related offenses. Acting U.S. Attorney John G.E. Marck announced the surge in filings for the period of March 13-19, highlighting a major push to address border-related crime and repeat offenders within the district.
The numbers tell a story of high-volume enforcement. Among the new filings, 22 individuals are staring down human smuggling charges. The bulk of the remaining docket focuses on border crossings: 141 people were hit with criminal complaints for illegal entry, while another 204 individuals face felony charges for reentering the country after they had already been deported.
Officials noted that many of those charged with felony reentry have checkered pasts, including previous convictions for violent crimes, narcotics, and prior immigration violations. Six additional cases involve a mix of firearms offenses and other immigration-related crimes.
Several specific cases illustrate the types of individuals currently in the crosshairs of federal law enforcement. Mexican nationals Ivis Anibal Olvera-Moreno and Carlos Alberto Chairez-Estala, both of whom have criminal histories involving aggravated assault or injury to children/elderly persons, were allegedly found near McAllen.
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Records show they had been deported as recently as July 2025. Similarly, Daniel Davalos-Ayala was apprehended near Donna; he reportedly has a history of illegal reentry and drug possession. Near Edinburg, authorities picked up Jorge Armando Pineda-Samaniego, who was previously removed in 2018. All four men could face up to 20 years in federal prison if they are convicted of felony reentry.
Sentencing hearings also wrapped up for several long-term offenders this week. Fernando Ramirez-Noria, a Mexican national with a history of domestic violence and multiple DWIs, was ordered to serve 84 months—seven years—in federal prison. Ramirez-Noria had been deported back in 2015 but kept returning, most recently being caught following a 2023 arrest.
In Houston, Jose Rosario Belmontes-Lira and Honduran national Alex Ramon Reyes were also sentenced after pleading guilty to reentry. Their backgrounds included prior convictions for burglary, theft, and human smuggling.
These prosecutions are part of a broader, nationwide effort dubbed “Operation Take Back America.” The initiative is designed to pool the resources of the Department of Justice to dismantle cartels and target transnational criminal organizations.
In the Southern District of Texas—one of the busiest jurisdictions in the U.S., covering 43 counties and 44,000 square miles—the focus has shifted heavily toward interior and border enforcement.
The operation relies on a massive web of cooperation between agencies. Prosecutors are working alongside the FBI, DEA, U.S. Marshals, Border Patrol, and ICE, as well as state and local police across seven divisions, including Houston, Laredo, and Brownsville.
According to the U.S. Attorney’s Office, the priority remains clearing the streets of individuals with serious criminal records, particularly those tied to human trafficking and violence against children.
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