Shamil Hajiyev (born 1971) is a Russia

Russia

Russia or , officially known as both Russia and the Russian Federation , is a country in northern Eurasia. It is a federal semi-presidential republic, comprising 83 federal subjects...

n citizen who was held in extrajudicial detention in the United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 Guantanamo Bay detention camps, in Cuba

Cuba

The Republic of Cuba is an island nation in the Caribbean. The nation of Cuba consists of the main island of Cuba, the Isla de la Juventud, and several archipelagos. Havana is the largest city in Cuba and the country's capital. Santiago de Cuba is the second largest city...

.
Hajiyev is a muslim

Muslim

A Muslim, also spelled Moslem, is an adherent of Islam, a monotheistic, Abrahamic religion based on the Quran, which Muslims consider the verbatim word of God as revealed to prophet Muhammad. "Muslim" is the Arabic term for "submitter" .Muslims believe that God is one and incomparable...

 from Bashkortostan

Bashkortostan

The Republic of Bashkortostan , also known as Bashkiria is a federal subject of Russia . It is located between the Volga River and the Ural Mountains. Its capital is the city of Ufa...

. Camp authorities did not realize Sharipov was an alias, at first.

Hajiyev served as a detective in Tatarstan

Tatarstan

The Republic of Tatarstan is a federal subject of Russia located in the Volga Federal District. Its capital is the city of Kazan, which is one of Russia's largest and most prosperous cities. The republic borders with Kirov, Ulyanovsk, Samara, and Orenburg Oblasts, and with the Mari El, Udmurt,...

 and a law student at Uta State University, until his disappearance in 1999.

Hajiyev, and six other Russian Guantanamo detainees, were repatriated to Russia, were they faced charges of illegal border crossing, being members of a criminal group and being a mercenary in an armed conflict.