You did kind of escalate it but you were doing it for the kindness towards your friend. Maybe net time find a more positive solution so drama like this doesn’t happen again at such a extreme
LOOK I'M SORRY FOR BEING A WHITE KNIGHT AND TRYING TO TAKE JUSTICE IN MY OWN HANDS; JUST TRYING TO BE A LOYAL FRIEND AND SUPPORT AND STAND UP FOR HIM... SORRY IF I ESCALATED THE PROBLEM AND JUMP THE GUN