Mehmet Ali Ağca is a Turkish former hitman for the Grey Wolves. On 1 February 1979, he murdered journalist Abdi İpekçi, known for his leftist views, and was imprisoned, but escaped. He travelled illegally to Vatican City on 13 May 1981, and attempted to assassinate Pope John Paul II on the same day. However, the assassination attempt failed, and he was captured and imprisoned by the Italian police.