noname, I was 19, clean cut and tattoo free walking in a suburb of San Francisco at 0200, sober as a judge, just getting night air, but two local PD who harassed me, ran my info and gave me all KINDS of grief about being where I had a legal right to be, merely because it was 2AM. Part of the reason is I was a sailor, the other I think because they were bored. I did have a cop pull his sidearm on me on Mare Island Naval Shipyard for walking down the street with my hands in my pockets. A complaint had been called in that someone was trying to break into cars. Wasn't me.
I also fear we will never know the real facts, except this - a young man is dead, an older mans life is ruined, and any immediate family on both sides are also going to suffer for years.