Malcolm x was assassinated by members of the black panthers. us army. sncc. nation of islam.

D. Nation of Islam. Malcolm X, having participated in said group for years, left them in 1964, with his dissatisfaction towards NOI growing because the lack of the group's response to the cases of police violence towards their members; also his quarrel with the group's leader, Elijah Muhammad (because of ideological differences), Malcolm X increase in popularity over Elijah's and a series of sexual misbehavior accusations against Elijah, were factors that pushed Malcolm X on leaving the group in bad terms.

Throughout 1964, treats against Malcolm X and his family were happening left and right, culminating in his assassination while preparing to a speech to address the OAAU (the Organization of Afro-American Unity), being shot various times by Talmadge Hayer and other that were identified at a later date by this same shooter.

The correct answer is members of Nation of Islam.

Malcolm X was shot to death in the year 1965 by Nation of Islam members while speaking at a rally of his organization in New York City. This assassination took place one week after his home was firebombed on February 21, the year some year