Marimar Martinez Shooting: Four Tracks of Accountability

Oct 7

7 min read

After a shooting involving a federal officer, it is easy to look for one investigation, one decision and one final answer. The public record in the Marimar Martinez shooting shows something harder to follow: several accountability systems moving on separate timelines, each able to answer only part of the question.

Martinez, a Chicago resident, was shot five times by U.S. Border Patrol Agent Charles Exum on Oct. 4, 2025, during Operation Midway Blitz. On Oct. 5, 2026, she filed a federal lawsuit against the United States. A prior federal criminal case against her was dismissed with prejudice. Customs and Border Protection says Exum was placed on administrative leave. And federal, local and state-facing reviews have been reported or referred.

Those developments matter. They also do not add up to a verdict. No court has yet decided whether the shooting was lawful or whether the United States is liable. Keeping the four tracks separate is the most honest way to follow what comes next.

One event, four different questions

The same video, vehicle evidence or witness account may matter in more than one place. But the systems serve different purposes:

The federal tort case asks whether the United States should pay damages on Martinez’s civil claims.
The dismissed criminal case ended the government’s prosecution of Martinez; it did not decide the legality of the shooting.
Administrative leave concerns an employee’s status while an agency process unfolds. It is not, by itself, discipline or an exoneration.
Investigations and referrals can determine whether more evidence is needed or whether a prosecutor should consider charges. They are not criminal convictions.

That distinction protects everyone from a common mistake: treating a filing, a dismissal, an agency statement or an investigation as if it has already proved the contested facts.

The FTCA lawsuit: a civil claim against the United States

Martinez’s new case, Martinez v. United States of America, No. 1:26-cv-12187, was filed in the Northern District of Illinois on Oct. 5 and assigned to U.S. District Judge Edmond E. Chang. The public docket then showed a complaint, not a ruling or a government merits response.

The complaint names the United States, not Exum, as the defendant. It says Martinez submitted an administrative damages claim to DHS, ICE and CBP on Feb. 12, 2026, and that the agencies did not respond within six months. That administrative step is why the case proceeds under the Federal Tort Claims Act, or FTCA—the federal statute that can allow damages claims against the government for certain alleged wrongful acts by federal employees.

The filing alleges negligence, battery, assault, false arrest, false imprisonment, malicious prosecution and intentional infliction of emotional distress. It seeks compensatory damages for physical and emotional injuries, along with costs, interest and other relief the court considers proper. Those are allegations in a complaint, not findings.

Martinez’s account is sharply at odds with the government’s 2025 charging account. Her complaint alleges that the agents’ SUV struck her vehicle and that she was attempting to drive away when she was shot. Her lawyers have also presented a reconstruction they say supports that account. The original Justice Department announcement alleged instead that Martinez and another driver struck and boxed in the CBP vehicle, leaving the agent unable to move before he got out and fired.

A civil case provides a formal place for evidence, legal defenses and testimony to be tested under court rules. It may end through dismissal, settlement or trial. It does not, at this early stage, establish that any allegation occurred, establish a crime, or determine the agent’s employment status.

The criminal case against Martinez ended—but it did not resolve the shooting

In October 2025, the Justice Department announced a criminal complaint accusing Martinez and a second person of forcibly assaulting, impeding and interfering with a federal officer. The department said the complaint reflected an allegation, not evidence of guilt, and that the defendants were presumed innocent.

On Nov. 20, 2025, Judge Georgia N. Alexakis granted the government’s motion to dismiss the case. The order dismissed the indictment with prejudice after the government did not oppose the defendants’ request. In practical terms, that ends this federal prosecution and bars its revival on the dismissed charges.

That is a consequential result for Martinez. It is not the same as a trial verdict about what happened on the street. The order did not make factual findings about whether the agent used lawful force, whether Martinez committed the conduct alleged in the original complaint, or whether anyone else should face charges. The prosecution ended before a jury evaluated competing accounts.

This is why both overstatements should be avoided. It is wrong to repeat the original criminal accusation as established fact after the case was dismissed; it is also wrong to treat the dismissal as a judicial determination of civil liability or a final use-of-force ruling.

Administrative leave is a personnel status, not a public finding

CBP told the Associated Press after the new lawsuit that Exum had been placed on administrative leave. In February, the agency told ABC7 Chicago that the leave was “consistent with policy” and said significant use-of-force incidents are investigated, reviewed and presented to its National Use of Force Review Board.

The agency has not publicly supplied a start date, duration, current work status or outcome of that review in the sources examined for this article. That absence matters. Administrative leave may preserve space for a review, but it does not itself establish misconduct. Nor does it establish that an employee has been cleared, fired, returned to duty or disciplined in some other way.

Personnel decisions also operate differently from civil or criminal cases. An internal review may apply agency policy and employment rules; a civil court weighs legal claims for damages; prosecutors decide whether evidence meets a criminal charging standard. A public statement that a review exists cannot substitute for its eventual findings, if those are released.

Investigations and referrals: several doors, several limits

There is no single “the investigation.” At least four distinct routes have surfaced in the public record.

First, CBP describes its own use-of-force review process. That is the internal administrative route, and its public statement gives no final result.

Second, ABC7 Chicago reported in February that the U.S. Attorney’s Office for the Northern District of Indiana declined to comment because of a pending investigation into the shooting. In August, the FBI and that office again declined to comment to the Chicago Sun-Times. Neither source reported a public criminal charge against Exum as of Oct. 6.

Third, the Sun-Times reported in August that the Chicago Police Department’s Investigative Response Team had been assigned the shooting after Martinez filed a police report. That unit investigates officer-involved shootings in the city, including those involving outside agencies, according to the paper. A felony charging decision would belong to Cook County State’s Attorney Eileen O’Neill Burke’s office. The office said it would seek justice when the evidence and law support a prosecution; it also noted that investigators must build the case first.

That local path can face practical limits. The Sun-Times reported that federal agencies are not required to comply with state subpoenas, even though prosecutors may seek evidence and witness cooperation through established procedures. A referral is not a charge, and an investigation is not proof that charges will follow.

Fourth, the Illinois Accountability Commission released a final report on April 30 after examining Operation Midway Blitz. It sent a referral letter and report to CPD, the Cook County State’s Attorney and other agencies. The commission’s report makes forceful findings about the operation, including Martinez’s case; federal officials did not cooperate with its work, according to the commission. But its governing executive order gave it a fact-gathering, public-record and referral role—not the power to prosecute. Its conclusions are therefore neither a criminal conviction nor a court judgment.

Why the tracks cannot be added up into a verdict

The four routes can inform each other, but they are not interchangeable. A civil claim can move forward without criminal charges. A prosecutor can decline or delay charges without deciding that a civil claim lacks merit. An employee can be on leave while an investigation continues, and a state commission can document or refer evidence without being the body that decides liability.

The public record does show several concrete things: a lawsuit has been filed; the prior case against Martinez was dismissed with prejudice; CBP has confirmed administrative leave; and local, federal and state-level review or referral activity has been reported. It does not yet supply a court’s final account of the shooting, a published internal-review outcome, or a criminal disposition involving the agent.

For Martinez, the difference is not abstract. Legal processes shape whether her claims are heard, whether public agencies disclose their work and whether anyone is held responsible. For the public, precision is part of accountability: people deserve to know what has happened without being told that an unresolved allegation has already been proven.

What readers can watch next

The civil docket: Look for service on the United States, a government response, motions and any case-management schedule in Martinez v. United States. A new complaint is the beginning of litigation, not its endpoint.
Local charging decisions: Watch for a public update from CPD or the Cook County State’s Attorney after the reported police investigation. A prosecutor’s decision should identify the agency and the basis for action—or for no action.
Federal and agency disclosures: A charging announcement, a closure statement from a federal investigative office, or a CBP announcement about the use-of-force review would materially change the picture. Until then, a reported pending inquiry remains just that.
The record behind public claims: Read the court filings, agency statements and credible reporting, and check dates. Avoid treating edited clips, social-media assertions or a lawyer’s presentation as a substitute for the underlying record.

Accountability is not only a question of whether a case produces a dramatic outcome. It is also whether each institution explains what it can decide, follows its own process and leaves a public record that allows people to assess the result.

Sources and further reading

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