Answer
Fethullah Gülen is accused of directing corruption investigations in Turkey by the Turkish government. The government claims that Gülen's followers within the police and judiciary were responsible for the corruption investigations that resulted in the arrests of several high-profile figures, including former Prime Minister Recep Tayyip Erdoğan's son. Gülen denies the allegations and claims that he is being targeted by the government for his opposition to Erdoğan.