If he was scared for his life why would he have been armed in another team’s tent? To a jury that’ll be plenty to prove beyond reasonable doubt that he wasn’t acting in self defense. Not to mention Metcalf was in his own team’s tent and unarmed.
Karmelo Anthony must be freed; it doesn’t matter what he did in the past (that’s not what’s on trial, they have no bearing on the case), Austin Metcalf’s past actions are significant because they show Anthony would’ve had reason to fear for his life.