Conviction Rate for ICE Criminal Arrests

October 5, 2025

CRACKDOWN — THE MIGRANT PURGE

Trail Mix Brief: ICE criminal cases are tossed or abandoned at nearly double the rate of other federal prosecutions.

The higher failure rate underscores the fragile evidentiary base of many ICE investigations once subjected to courtroom scrutiny.

Most ICE arrests never reach a criminal courtroom because they’re civil proceedings — administrative cases that play out in immigration court. But for the smaller fraction of ICE operations that fall under criminal arrests, the story shifts into the federal justice system, where the outcomes are harder to trace and the success rate is far from perfect.


The Federal Court Handoff

Once a criminal arrest is made by ICE — typically through its Homeland Security Investigations (HSI) division — the case passes to the U.S. Attorney’s Office. That’s when ICE’s data trail stops cold. The Justice Department doesn’t link convictions back to ICE arrest IDs, which makes it difficult to compute a true conversion rate from arrest to conviction.


What the Data Shows

According to analyses from the Transactional Records Access Clearinghouse (TRAC) and the U.S. Sentencing Commission, roughly 80–85 percent of criminal immigration prosecutions that originate from ICE arrests result in conviction. The remaining 15–20 percent are dropped, dismissed, or reclassified into lesser plea agreements.


Why Cases Get Tossed

  • Prosecutorial discretion: U.S. Attorneys often decline to pursue low-priority re-entry or document cases.
  • Suppression rulings: Judges exclude evidence obtained through unlawful searches or arrests.
  • Plea reshuffling: Defendants plead to minor offenses, technically counted as dismissals of the original charges.

Comparison to Other Federal Cases

The overall federal case dismissal rate — across all agencies — typically falls between 8 and 12 percent. ICE’s criminal cases are tossed or abandoned at nearly double that rate. The higher failure rate underscores the fragile evidentiary base of many ICE investigations once subjected to courtroom scrutiny.


Takeaway

About four out of five ICE criminal arrests lead to conviction, while the rest collapse somewhere between arrest, charge, and trial. It’s a reminder that “arrested” and “proven guilty” are very different stats — and that even ICE’s criminal cases live in a fog of partial follow-through.

Written for TrailMix.cc by Craig Crawford. Research and data verification assisted by ChatGPT.

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Sources

Trail Mix Briefs dig into the data behind the noise — short reads built for people who still like facts with their outrage. Written and researched for TrailMix.cc by Craig Crawford and team. Data verified by ChatGPT.

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