How were African Americans denied the right to Life Liberty and the pursuit of happyness?

My son needed a place to stay for a few months his lease was up he had a rental property in Dearborn Heights everytime he would go over there the white neighbor would park his truck in his drive way well we moved his wife and new born baby in on a Sunday night the other neighbor blasted loud rock music into his house til 12:00 that night. I told him this must be the welcome committee, the next day his house came under attack by white neighbors and he was arrested not the people who attacked his house. We moved his family in on Sunday and the following day he was moving out and he is still being hated on by the Dearborn police. Oh! my son is also a army national guard for what!