I’m so sorry to hear that. Did you know them personally? Regardless it is tough to see that and know that you can’t rewind and change their mind.
I didn’t know them personally but he was the kind of person to post a lot of daily updates about his life, even just basic things like getting haircuts and what not. I don’t know. I know I shouldn’t be worrying about what I could have done but that question is still bothering me.