I came to the sub to post this but you beat me to it. I'm really glad that the folk protest song tradition is still alive. I've heard at least 3 folk songs about this shooting but this one is the best.

I found a YouTube link in your post. Here are links to the same video on alternative frontends that protect your privacy:

• yewtu.be
• inv.nadeko.net
• yt.artemislena.eu
• piped.video