The reason you can't find any links to even a half-assed news report that will tell you what was going down, is because not one single outlet gives a half ass about reporting all the relevant facts.
Relevant fact: he was not presenting a threat at the time he was shot.
Relevant fact: SCOTUS has ruled that authorities may not shoot someone simply for fleeing.
His prior bad acts are not relevant to the question of whether the shooting (or the intended tasering) was justified.