Samuel L. Jackson while in college became an usher at the funeral of Martin Luther King Jr.
Martin Luther King Jr’s mother was also victim to gun violence. Instead of political reasons, a young man of the Black Israelites shot her when his real target was her husband. Claiming all Christians were his enemies.
The I Have a Dream part of his famous speech was actually improvised.
During his final years, in addition to advocating for civil rights, Martin Luther King Jr. also expanded his reach by speaking against the Vietnam War. Which unfortunately alienated some of his supporters at the time.