Urinalist’s body guard tried taking the guy’s mace from his hand.
The guy slaps urinalist’s body guard away, self-defensively, and backs away.
Urinalist’s body guard pulls and aims a gun at the guy, as the guy was backing away further.
The guy sprays urinalist’s bodyguard with mace in self-defense.
Urinalist’s bodyguard shoots the guy in the head and the guy dies.
MURDER
Yep.