George Galloway talks about the massacre of civilians in West Belfasts Ballymurphy estate, carried out by the British army Parachute Regiment just months before Bloody Sunday in Derry, both incidents carried out by some of the very same British soldiers. I do not own this content, this has been uploaded for educational purposes. Links to original below.
'George Galloway Lecture in Belfast' full version - https://youtu.be/8vI93VCHdOk
Original uploader 'Sinn Féin' - www.youtube.com/channel/UCoIiYTHnF7YtqrLzVLVjzjQ