The La Sierra Members: The Use of Force and International Law

Analyze the case of force and international law use.

At one point, one of the La Sierra members believed a Tiny Wino had pulled a gun, so he pulled his gun and shot the Tiny Winos member, who died. The La Sierra members were charged with murder. At their trial, they asserted a defense of self-defense. Were they entitled to assert that defense? If so, what did the trial court and the prosecutor do wrong?