More I did not know

https://www.kcra.com/article/today-in-history-for-march-27-mlks-son-meets-his-fathers-convicted-killer/26959394

+

https://www.history.com/news/who-killed-martin-luther-king-james-earl-ray-mlk-assassination

there were

https://kinginstitute.stanford.edu/mlk-topic/martin-luther-king-jr-threatsattacks-against

some materials

https://www.physicsforums.com/threads/utilitarianism-vs-deontology.15622/

available...

https://letterstomyprogeny.wordpress.com/2015/01/19/letter-to-the-white-moderate/#more-202