The Story of Clarence and Scout

This book is about a young man by the name of Clarence who is drafted in the sixties at a young age of 21. He is a young black man who deals with racism and deals with all types of bad experiences while in Vietnam. He has a son who is two years old and a wife who is 21.
On his return from Vietnam his wife ends up leaving Clarence with his son to raise. Until one particular day when Clarence goes to the bank and he is robbed and killed and the man who killed Clarence gets away with his murder until 20 years later.
His son runs into the killer and befriends the killer without knowing he is the killer. When he finds out, he's forced to make a big decision. Do I kill this man or do I get him to make the right decision to turn himself into the authorities?