(KRON) -- There is not enough evidence to charge the suspect in a fatal shooting that left two teens dead on a beach at Moss Landing earlier this month, according to officials. On Monday, Monterey County District Attorney Jeannine M. Pacioni announced there was insufficient evidence to bring charges against the suspect for involvement in the incident. The suspect, who KRON4 is not identifying due to being a minor, was arrested in connection to the shooting that occurred on Monday, Nov. 2 shortly before 2 a.m. The shooting, which occurred at a party on Jetty Road resulted in the death of two teens and serious injury to a third person. The Monterey County DA's Office said it received a reviewed a referral seeking charges against the suspect related to the shooting. Teen survivor recalls horror of Halloween store mass shooting in Fairfield "After a thorough review, the District Attorney concludes there is insufficient evidence to file charges at this time," the DA said in a statement. The evidence, the DA said, showed dozens of people at the party, most or all of whom were juveniles and young adults. Attendees at the party included Norteno gang members and associates with a group from Salinas and a group from Greenfield. The two deceased juveniles were among those from Salinas. The accused shooter and the other person who was injured were from Greenfield. According to the DA, an argument broke out between the groups over "inappropriate behavior alleged against the Salinas group, including theft, vandalism, and threats of violence." The DA cited witness statements corroborating the allegations against the Salinas group. One witness said a member of the Salinas group stole necklaces from females. Law enforcement found multiple gold necklaces in that person's backpack. According to witnesses, the argument escalated and the two sides yelled gang insults at each other. While there was less agreement about the presence of weapons, witnesses said individuals on both sides held their waistbands like they had guns, or flashed guns. The DA said that the evidence as to who shot first was contradictory. Some said the Salinas group shot first, while others said it was the Greenfield group. It was dark at the time and many of those present were underage, intoxicated, or involved in some respect, the DA said. Physical evidence collected at the scene included 21 shell casings fired by two or more groups. Forensic analysis is pending, but no guns were recovered. The two members of the Salinas group who were shot and killed were shot seven and five times each. The member of the Greenfield group was shot twice and survived. "Under California law, the prosecution has the burden to disprove self-defense beyond a reasonable doubt," the DA said. "In other words, self-defense is not just a trial defense available to the accused." At this time, the DA said, there is insufficient evidence to prove that the suspect did not fire in self-defense. The investigation remains ongoing. ...read more read less