Mafia leader fights Turkish Government: Who is Sedat Peker? In a viral series of videos released on YouTube, a Turkish mafia boss, Sedat Peker, with deep links to the security services, civilian bureaucracy, and political elite, unleashed allegations of dirt against multiple Turkish government figures and “deep state” actors. For at least ten to twenty million Turks who watch Peker videos on multiple platforms, the series is more gripping than any other television series.