As a “kid”????
He was 19 (an adult) and that was only 6 short years ago. Speaks volumes about his criminal behavior.
Again nothing you are saying changes the face that two armed wannabe cops confronted this person in the street. Period. You can talk about this persons past all you want. Go through his social media. Do whatever it is that makes you feel better but nothing will change the fact these two guys are guilty of murder and they will go to jail.