2025 Stockton Birthday Party Mass Shooting
Overview of the Attack
The Stockton birthday party mass shooting occurred on November 29, 2025, during a celebration for a two-year-old girl in San Joaquin County, California. The attack killed four people, including three children, and wounded 13 others. Although the incident is commonly described as the Stockton mass shooting, it took place at an event venue in an unincorporated area immediately outside Stockton’s city limits.
The gunmen responsible for the killings had not been publicly identified as of the latest reported investigative update. Authorities believe several people may have participated in the attack, meaning there is no single identified mass murderer who can presently be named. Investigators have described the shooting as a targeted assault, but they have not officially established the motive or announced murder charges against any suspected shooter.
The Birthday Celebration
The party was held at Monkey Space, a privately operated banquet and event hall at 1955 Lucile Avenue. Approximately 80 to 100 relatives, friends and children had gathered to celebrate the second birthday of a young girl. The event was scheduled to conclude at about 6:00 p.m., and guests were preparing for the traditional cutting of the birthday cake when gunfire suddenly erupted.
The toddler’s mother, Patrice Williams, later said she initially believed the sound came from balloons popping. Within moments, however, people realized that shots were being fired inside the crowded hall. Adults attempted to protect children, find cover and escape as the celebration descended into panic. The two-year-old birthday girl survived without being physically injured, but several members of her extended family and social circle were struck.
The Shooting
The first emergency reports were received at approximately 6:00 p.m. Witness accounts indicated that one or more masked attackers wearing dark clothing entered or approached the venue and opened fire. Investigators believe shooting occurred both inside the banquet hall and outside the building as guests fled. The number of gunshots, the different weapons involved and the movement of the attackers led detectives to suspect that multiple people fired weapons during the assault.
Deputies, police officers, firefighters and emergency medical personnel arrived to find numerous victims suffering from gunshot wounds. Survivors were taken to hospitals throughout the region, while investigators secured the hall, surrounding parking areas and nearby streets. Four victims died from their injuries. Initial reports listed 11 wounded survivors, but authorities later determined that 13 people had been injured, bringing the total number of people shot to 17.
Investigators recovered more than 50 cartridge casings from the crime scene. Ballistic evidence reportedly indicated that at least five firearms had been discharged. Detectives also examined whether anyone attending the party may have returned fire. Weapons were reportedly located on the roof of the venue, although authorities had not immediately established whether those firearms were used in the massacre.
Fatal Victims
- Journey Rose Reotutar Guerrero, 8 — Journey was killed on November 29, 2025, at the Monkey Space event hall near Stockton. She was a third-grade student at Commodore Stockton Skills School. Her family remembered her as intelligent, kind and helpful, with interests that included crafts, gymnastics and mathematics. Journey reportedly dreamed of becoming a cheerleader and later a doctor.
- Maya Lupian, 8 — Maya was killed at the birthday party on November 29, 2025. She was approaching her ninth birthday and attended Aspire Apex Academy in Stockton. Family members described her as an outgoing and creative child who enjoyed singing, dancing and drawing. She also practiced karate and had earned a purple belt.
- Amari Peterson, 14 — Amari, an eighth-grade student from Modesto, died in the shooting on November 29, 2025. He enjoyed basketball and football and was beginning to consider his future educational plans. His family described him as a loved and promising teenager whose life was taken before he had the opportunity to pursue adulthood.
- Susano Archuleta, 21 — Archuleta was the only adult among the four people killed. He died after being shot during the attack at the Lucile Avenue banquet hall on November 29, 2025. Publicly available reports have provided fewer biographical details about him than about the three children.
Those Who Were Wounded
Thirteen additional people survived gunshot injuries, including children and adults. At least one victim was initially reported to be in critical condition. The names of most wounded survivors were not publicly released, allowing them and their families a measure of medical privacy.
Among the publicly identified survivors was Stockton community organizer Jasmine Dellafosse, who had worked on youth programs, neighborhood improvement projects and violence-prevention efforts. Rapper MBNel, whose legal name is Johnel Dongon, was also reported to have been wounded. Early reports suggested that investigators were examining whether he or another person at the gathering had been deliberately targeted, but authorities did not publicly confirm that theory as the official motive.
Investigation and Search for the Shooters
The San Joaquin County Sheriff’s Office assumed responsibility for the investigation because the venue was outside the formal Stockton city boundary. The agency received assistance from the Stockton Police Department, the Federal Bureau of Investigation, the Bureau of Alcohol, Tobacco, Firearms and Explosives, the California Department of Justice, the San Joaquin County District Attorney’s Office and federal prosecutors.
Authorities collected surveillance recordings, cellphone videos, digital communications, physical evidence and witness statements. Investigators also sought information about vehicles believed to have been connected to the attack. Images of two possible suspect vehicles were released in January 2026, and officials later reported that vehicles of interest had been identified and recovered.
Detectives faced difficulties obtaining clear descriptions of the attackers. Witnesses described masked individuals in dark clothing, but the confusion and fear inside the hall made detailed observations difficult. Sheriff Patrick Withrow acknowledged that investigators had hoped to obtain more information from the large number of people who attended, while also recognizing that witnesses had been concentrating on escaping and protecting their children.
Gang-Related Claims and Unconfirmed Motives
Rumors quickly circulated that the shooting resulted from a dispute involving street gangs or local music figures. Some Stockton officials publicly referred to the incident as gang-related. The Sheriff’s Office, however, initially stopped short of adopting that description as a proven conclusion. Investigators said gang involvement remained one possibility, but cautioned that the evidence had not yet produced a definitive motive.
Official records later indicated that people associated with several gang factions may have been present at the party. The existence of possible gang members in the crowd did not establish which individuals planned the attack, who fired the fatal shots or whether every person who discharged a weapon was part of the same group.
Related Arrests
Several people were detained or arrested in the period surrounding the shooting, but authorities emphasized that those arrests did not represent the capture of the suspected mass shooters. Five individuals arrested nearby on weapons or gang-related allegations were not publicly connected to the killings.
Two men who had attended the birthday party were later taken into custody for alleged parole violations. One was reportedly the father of the child whose birthday was being celebrated. He faced numerous charges involving firearms, ammunition, assault, domestic violence and alleged gang activity. Prosecutors accused him of organizing the party while knowing that gang-affiliated individuals would attend. Those accusations did not amount to a charge that he carried out the mass shooting.
The second detained attendee was identified as an uncle of the birthday girl and a rapper. Public reports similarly did not identify him as one of the attackers. The distinction is important because, despite the related arrests, investigators had not announced that any person in custody was responsible for murdering Journey Guerrero, Maya Lupian, Amari Peterson or Susano Archuleta.
Rewards and Continuing Case
Substantial reward money was offered for information leading to arrests and convictions. The FBI announced a reward, and the ATF and community organizations added further funds. Authorities repeatedly asked attendees and members of the public to provide recordings, photographs, rumors, messages or other information that might help identify the shooters.
In an investigative update issued in April 2026, Sheriff Withrow said detectives were making progress and completing the collection and review of digital evidence. He indicated that reports would be submitted to the San Joaquin County District Attorney’s Office and expressed hope that arrests could follow. At that stage, however, the suspected shooters had not been publicly named or charged with the four murders.
Community Grief and Aftermath
The deaths of three children at what should have been a joyful family celebration brought widespread grief to Stockton, Modesto and the surrounding San Joaquin Valley. Schools attended by the victims offered counseling and support to students and staff. Vigils and memorial gatherings were organized as relatives remembered the children for their personalities, talents and ambitions rather than solely as victims of a mass shooting.
The attack also renewed debate about gun violence, youth safety and the resources available for violence-prevention programs in Stockton. Community activists argued that the massacre should not be dismissed or minimized because of unproven allegations concerning gangs. They emphasized that children and families were attacked in a place where they had gathered to celebrate a birthday.
The Monkey Space venue became a physical reminder of the violence. Party decorations and other remnants of the celebration remained amid the evidence of gunfire. The owner indicated that the hall might never reopen and could instead remain associated with the memory of those who died there.
Current Status
The Stockton birthday party mass shooting remains an open homicide investigation. The available evidence suggests that multiple firearms and potentially multiple attackers were involved in a planned or targeted assault. However, investigators have not publicly established who ordered the attack, who fired each weapon or which person was responsible for each death.
Until suspects are formally identified and evidence is presented in court, the perpetrators remain unknown. The central facts are that four people, including three children, were killed on November 29, 2025, and 13 others were wounded during a two-year-old child’s birthday celebration. The families of Journey Rose Reotutar Guerrero, Maya Lupian, Amari Peterson and Susano Archuleta continue to await arrests and a complete explanation of why their loved ones were killed.
