An 81-year-old Turkish man, who is known as a “longtime friend of Turkish cleric Fethullah Gülen, was detained by police in the Turkish province of İzmir on Monday due to his links to the Gülen group, accused by the Turkish government of masterminding a failed coup in July 2016.

According to the Gulen-friendly tr724 news website, Yusuf Pekmezci, who suffers from advenced Alzheimer’s disease, high blood pressure and osteoporosis, was in hiding for three years.

He is currenlty being held in police custody.

Pekmezci came to public attention with a 2014 interview he gave in which he talked about his love for the movement and Fethullah Gülen.