Federal immigration authorities have taken a former Illinois teacher into custody more than a year after a deadly Chicago house party shooting, arguing that local decisions not to pursue criminal charges left federal officials to pursue a separate immigration case instead.
The Department of Homeland Security (DHS) announced Monday that Homeland Security Investigations agents arrested Giovanna Mercedes Moreno Occhipinti, a 32-year-old illegal alien from Venezuela who also holds Italian citizenship.
According to DHS, Moreno Occhipinti remains in federal custody and faces removal proceedings stemming from an immigration violation rather than homicide-related charges.
The federal action comes after local prosecutors declined to pursue charges tied to the shooting investigation, a decision DHS officials have repeatedly cited in defending their intervention.
HSI agents assigned to Chicago’s Human Trafficking and Smuggling Group arrested Moreno Occhipinti on May 13, according to the agency.
Federal officials have used the case to criticize policies limiting cooperation between local jurisdictions and Immigration and Customs Enforcement.
DHS contends Moreno Occhipinti was previously arrested by Chicago police on weapons-related charges but was released without ICE receiving notification.
The agency argues that federal intervention became necessary after local proceedings ended without additional action.
The underlying investigation stems from a December 2024 Chicago house party shooting tied to Tren de Aragua (TdA) that left three people dead and several others injured.
According to DHS, authorities believe Moreno Occhipinti played a supporting role in events surrounding the attack.
Federal officials allege she drove two suspected participants to the gathering and later helped them avoid law enforcement scrutiny after the shooting.
DHS further alleges that investigators found multiple weapons inside Moreno Occhipinti’s vehicle shortly after the incident.
Federal officials have pointed to those allegations as evidence Moreno Occhipinti played a broader role than simply being present during the events surrounding the shooting.
However, federal authorities have not announced homicide charges against Moreno Occhipinti, and the allegations outlined by DHS have not been tested in a criminal trial.
Acting DHS Assistant Secretary Lauren Bis cited the case as an example of what the department describes as failures by sanctuary jurisdictions to cooperate with federal immigration enforcement.
In a statement, Bis said federal authorities stepped in after local officials released Moreno Occhipinti and did not notify ICE of her status.
“This illegal alien who used to work as a teacher was involved in a mass shooting in Chicago that killed three people and injured others,” Bis said.
Questions have also emerged regarding Moreno Occhipinti’s employment history.
DHS told Fox News she previously worked as a teacher at a school in the Chicago suburb of Elgin.
According to the report, state officials have not provided federal authorities with additional information identifying the school where she worked, according to WRGA News.
Separate from the shooting allegations, DHS said Moreno Occhipinti entered the United States through the Visa Waiver Program in October 2021 and was required to depart by January 2, 2022.
The agency alleges she remained in the country after that deadline expired.
Federal officials also allege Moreno Occhipinti was connected to Ricardo Granadillo Padilla and Edward Martinez Cermeno, two men identified by DHS as suspected participants in the shooting.
The agency said both men were previously arrested and later deported, along with multiple associates connected to the investigation.
“Giovanna Mercedes Moreno Occhipinti’s actions were calculated and deliberate, leading to the loss of three lives,” HSI Chicago Special Agent in Charge Matthew Scarpino said in a statement.
The case continues to draw attention because it sits at the intersection of immigration enforcement, local prosecutorial discretion, and public-safety debates.
While DHS is pursuing removal proceedings, broader disputes remain over how local governments should coordinate with federal immigration authorities when criminal investigations overlap with immigration violations.
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