HSI describes a criminal-investigation purpose for undercover agents

Homeland Security InvestigationsFederal investigative agency

The HSI report states a criminal-investigation purpose for integrating undercover agents into groups identified as potential threats.

“This case is opened to document the integration of Homeland Security Investigations (HSI) Undercover Agents (UCAs) into groups, organizations, or other gatherings identified by intelligence information and other sources as potentially threatening to law enforcement personnel in the performance of their duties.”

Original text

Read the original text (opens in a new tab)HSI report opens Operation Puppet MasterECF 212-1, pages 1-2; filed August 13, 2026
The facade and entrance sign of the Diana E. Murphy United States Courthouse in Minneapolis.
Credit: Tony Webster / Wikimedia Commons

Where this statement fits

HSI report describes a Minneapolis criminal investigation; Riach compares the operation to COINTELPRO

HSI describes undercover work in Minneapolis as investigation of threats and interference with federal officers. Its St. Paul leader publicly defends the investigation as a response to coordinated violence. Defense attorney Kevin Riach compares HSI's operations to COINTELPRO. The accounts dispute the justification for the surveillance.

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Source and context

Original text

HSI report opens Operation Puppet Master (opens in a new tab)ECF 212-1, pages 1-2; filed August 13, 2026

About this source

The HSI case-opening report was filed as an exhibit to the defense's August 13 discovery motion. It describes the stated criminal-investigation purpose of the undercover activity.

Archived copy (opens in a new tab)

Before the quotation

The report says an organized network is providing material support to violent opportunists and agitators involved in impeding federal law enforcement and assaulting federal officers. It says HSI St. Paul is conducting a financial investigation to uncover the funding sources used by these groups.

After the quotation

The report says any individual or organization identified for further investigatory action will be documented in its own case file, and that an assistant U.S. attorney has accepted the investigation for federal prosecution in Minnesota.

How this statement is classified

Defended or excused

The label describes this statement's response within the context above.

Why this label?

Relative to HSI's undercover surveillance in Minneapolis, the report justifies the operation: it ties the undercover work to an alleged network supporting assaults on federal officers and to a financial investigation aimed at prosecution.

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The Dispute Index
Title
HSI describes a criminal-investigation purpose for undercover agents
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https://disputeindex.com/events/7141-the-hsi-report-states-a-criminal-investigation-purpose

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The Dispute Index. "HSI describes a criminal-investigation purpose for undercover agents". First published: 2026-10-29. Last updated: 2026-10-29. https://disputeindex.com/events/7141-the-hsi-report-states-a-criminal-investigation-purpose