Malcolm X was the Minister of the Nation of Islam until March 1964 when he left this group and formed the Muslim Mosque, Inc. and the Organization of Afro-American Unity. Malcolm X was assassinated in 1965 while delivering a speech in New York City. Norman Butler, Thomas Johnson, and Talmage Hayer were convicted of his murder and sentenced to life in prison. The FBI investigated the groups that Malcolm X was affiliated with due to allegations of communist influence.