How Come No One Knows About This?

I was born in 91' and because of my parents I know about the pan am crash in fact when I was younger my mom took us back in the area where it happened talk about an erie feeling.
here's a vid of it I found on youtube its all in spanish at least I think anyway they show some footage from the area about 1:35 in.

Boeing explode em Nova Orleans e deixa 143 mortos (1982) - YouTube