[Back to Operation Tourniquet](https://takedownindex.org/takedowns/operation-tourniquet)

# Organizations and roles

April 2022, Fraud and stolen data
[Operation Tourniquet](https://takedownindex.org/takedowns/operation-tourniquet)

Last reviewed August 21, 2026

The public record puts 5 organizations on this action. Operational lead: FBI. The table lists the role the cited record assigns each one, in the record's own wording where it gives any.

## Why this page names organizations only

Roles on this page describe the agencies that took part. Individuals named in the public record appear on the takedown entry itself, under People and accountability.

## Organizations and roles

| Emblem | Organization | Role | What the record says |
| --- | --- | --- | --- |
| | [Federal Bureau of Investigation](https://takedownindex.org/organizations/federal-bureau-of-investigation), United States | Operational lead | Led the investigation and executed the domain seizures. |
| | [European Union Agency for Law Enforcement Cooperation](https://takedownindex.org/organizations/european-union-agency-for-law-enforcement-cooperation) | Coordinator | Coordinated Operation Tourniquet across participating countries. |
| | [United States Attorney's Office for the Eastern District of Virginia](https://takedownindex.org/organizations/united-states-attorney-s-office-for-the-eastern-district-of-virginia), United States | Charging | Filed the six-count indictment against Diogo Santos Coelho. |
| | [United States Secret Service](https://takedownindex.org/organizations/united-states-secret-service), United States | Investigating | Participated in the investigation. |
| | [National Crime Agency](https://takedownindex.org/organizations/national-crime-agency), United Kingdom | Arresting | Arrested Coelho in the United Kingdom at US request. |

## Accountability

### Legal authority

US seizure warrant (Eastern District of Virginia); UK arrest at US request; Europol coordination

### Ongoing investigation

Group accounted for: Partial. The founder was arrested and charged, but the forum's wider administrative staff was not publicly accounted for, and a successor forum appeared within weeks.

This page records organizational involvement as the cited sources state it. Where a role carries no description, the record gives none.

Last reviewed August 21, 2026