X goes to a gang party in Rialto. Some members of the gang see X at the party and threaten him with guns and sucker punch him. The person who had taken X to the party -- his close friend, M -- does nothing to protect or assist X. Oh, the people who had assaulted X were M's cousins.
X isn't happy about that. Some months later, X sees M near an apartment and expresses serious anger that X didn't help him in the Rialto fight. X tells M that he wants to go over to Ramona and kill the people who assaulted him.
M tells X that he's drunk, and that, no, he's not going to help X kill his cousins, and that X should just mellow out. At which point X -- still incredibly angry at M -- takes off his sweater and pulls out a gun.
A van then pulls up near X and M. Coincidentally enough, in the van are members of the same gang that had previously assaulted X. So X, with his gun already out, decides he's had enough. X begins chasing two of these gang members, with his gun pointed at them, all the time taunting them as they try to run away from him. X then puts his gun in the face of one of the occupants of the van.
Now, I know what you're thinking. X pulls the trigger, and we're currently reviewing X's conviction for first-degree murder.
Nope. Not here. We're actually reviewing a conviction for the murder of X. Because X did not, in fact, pull the trigger. Instead, his conduct simply made M and the gang members he taunted really, really mad. So later that evening, the gang members retaliate, and shoot X ten times, killing him.
It's truly the Wild West in some places, eh?