First, they shot an unarmed fleeing man in the back in a situation that does not look as if it called for the use of deadly force.
Second, they proceeded to alter the crime scene by picking expended brass. Law enforcement officers know that they're not supposed to do that, as it makes determining exactly what happened impossible.
Altering the crime scene to conceal one's actions or to make them look more favorable is always considered to be consciousness of guilt.
Third- Some FR folks are grifting donations for their "Defense Fund".
Humm-maybe the agents just need a few hours of re-training while the scummmm drug runner needs to be shot (along with every other drug smuggler) in the a$$ by every citizen that lost a loved one because of the drugs, gangs,cartels and illegal alien lawlessness in our country.