Felt like this belonged here.
“Memorial Day Massacre: Chicago Cops Killed 10 during 1937 Steel Strike, Then the Media Covered It Up” from DemocracyNow! on YouTube
https://www.youtube.com/watch?v=devGGh9pnxo
And a link to the documentary on PBS:
https://www.pbs.org/video/memorial-day-massacre-workers-die-film-buried-3hzo89/