Members of the Cathedral City criminal street gang were congregating in a local park when rival gang members entered the park and began arguing about graffiti. Giron and a rival gang member were arguing over the rights to tag in an area that both gangs were calling their own 'turf.' Giron and a rival gang member engaged in a physical altercation and Giron lost the fight. After the fight Giron went to a truck and pulled out a handgun and fatally shot the rival gang member. After the shooting, Giron and his co-fugitive brother, Angel Giron, physically beat the shooting victim while he lay on the ground.