Federal authorities have revealed the identity of the hacker who extorted HBO this summer.

The alleged hacker, who has been identified as Iranian Behzad Mesri, has been terrorizing and extorting HBO for several months. Mesri allegedly leaked several episodes of Ballers, Room 104 and Curb Your Enthusiasm, as well as the script for HBO’s hit series Game of Thrones.

Mesri is officially wanted for “stealing proprietary data, including information about then-unreleased episodes of the popular television series, Game of Thrones, and then allegedly seeking to extort HBO.”

According to Entertainment Weekly, he’s also specifically wanted for allegedly being involved “in criminal activities to include unauthorized access to computer systems, stealing proprietary data from those systems, and attempted extortion for approximately $6 million in Bitcoin.”

According to the article, Mesri is a member of the Turk Black Hat Security hacking team.

An image of Mesri was released by the FBI.