# Turkish criminal organization investigation

> Live situation record from CLSTR: https://clstr.news/situations/turkish-criminal-organization-investigation
> Updated: 2026-08-11T11:51:28.000Z. Sources: 61. Developments: 2.

Ankara prosecutors launched a large-scale operation across 17 provinces targeting a criminal organization allegedly led by Alihan Kuriş, associated with the Süleymancılar group. The investigation, prompted by a report from the Financial Crimes Investigation Board (MASAK), focuses on charges including money laundering, tax law violations, and defrauding public institutions.

Authorities have detained 49 suspects, including Kuriş and former Council of Judges and Prosecutors member Prof. Dr. Ahmet Gökçen. Investigators report that over 100 billion TL was transferred abroad through companies linked to the organization, many of which showed suspicious increases in trade volumes since 2020. As part of the legal proceedings, trustees have been appointed to several companies, and law enforcement seized weapons and significant amounts of cash during raids at residential and business locations.

## Claims

- Muzaffer Şirin is under investigation for illegal betting and sports-related crimes. (corroborated by 16 sources)
- A total of 49 suspects were detained during the operation. (corroborated by 12 sources)
- More than 100 billion TL was transferred abroad through companies linked to the criminal organization. (corroborated by 12 sources)
- An operation was conducted across 17 provinces against a criminal organization allegedly led by Alihan Kuriş. (corroborated by 11 sources)
- Authorities authorized searches and seizures at 43 residential addresses and 80 locations belonging to 33 companies. (corroborated by 11 sources)
- A total of 49 suspects were subject to detention orders. (corroborated by 11 sources)
- Muzaffer Şirin was placed under house arrest and banned from traveling abroad. (corroborated by 8 sources)
- The investigation covers charges of establishing and managing a criminal organization, membership in a criminal organization, laundering assets derived from crime, defrauding public institutions, and' (corroborated by 7 sources)
- 30 suspects, including Alihan Kuriş, were detained. (corroborated by 7 sources)
- The investigation includes charges of spreading misleading information to the public. (corroborated by 6 sources)

## Timeline

### 2026-08-11: Alihan Kuriş and criminal organization targeted in 17-province operation

Turkish authorities launched a massive 17-province operation against a criminal organization allegedly led by Alihan Kuriş, involving 49 suspects and the suspected laundering of over 100 billion TL.

59 sources. https://clstr.news/cluster/ultraslan-leader-muzaffer-irin-referred-to-court-over-sports-crimes

### 2026-08-09: Istanbul authorities uncover massive organized money laundering network

Istanbul authorities uncovered an organized crime network involving 306 suspects and 248 shell companies used to launder money through digital fraud and fake e-commerce sites.

2 sources. https://clstr.news/cluster/istanbul-authorities-uncover-massive-organized-money-laundering-network

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Cite as: Turkish criminal organization investigation. CLSTR, https://clstr.news/situations/turkish-criminal-organization-investigation