Suicide Note and Racial Pride: San Diego Shooting Suspects
A suicide note with writings about racial pride and hate speech has emerged as a key clue in the San Diego mosque shooting. On May 19, 2026, the Islamic Center of San Diego became the scene of a deadly attack, leaving three people dead. Authorities identified the suspects as a 17-year-old homeschooled wrestler and an 18-year-old companion. Both were found dead near the site, having apparently taken their own lives with gunshot wounds, according to multiple officials. The presence of the suicide note and writings on the weapon suggests a motive tied to racial or ideological tensions.
Weapons, Writings, and the Search for Clues
Investigators are analyzing the weapon used in the attack, which bore scrawled messages reflecting hate speech. The suicide note, discovered in the suspect’s parent’s home, references racial pride, indicating possible ideological influences. Police Chief Scott Wahl stated, “There was no specific threat, especially no specific threat to the Islamic Center. It was just general hate kind of speech that I think covered a wide gamut.” The FBI has joined local efforts to examine the evidence, including security footage and interviews with acquaintances, to understand the suspects’ mindset.
“The combination of a suicide note with writings and the weapon’s inscriptions provides a window into their motivations,” said FBI Special Agent Mark Remily. “We’re looking at both personal and ideological factors to piece together the full picture.”
A Missing Call and Camouflage Clues
Two hours before the shooting, police received a report from Cain Clark’s mother, who claimed her son and a companion were missing, along with several weapons. The call noted they were “wearing all camo,” raising concerns about their appearance and possible threat level. Clark, the 17-year-old suspect, had a history of wrestling, which officials linked to his connection with the Islamic Center.
Dispatch audio reviewed by CNN shows officers responding to the call, describing the suspects as “two white males” in camouflage, possibly armed with a stolen handgun, shotgun, and rifle. The attack occurred after the suspects arrived at the mosque, and the bodies were found following an active-shooter response. One of the victims was a security guard, whose actions were described as “heroic” and “saved lives” during the chaos.
Clark’s Background and School Life
Cain Clark, the 17-year-old suspect, had attended Kate Sessions Elementary School before switching to online learning in 2021. His school records show he was on track to graduate without major disciplinary issues, except for a single incident in 2015 when he punched someone during elementary school. His grandparents, David and Deborah Clark, told CNN they were “trying to process this” and described the event as “a city and a community’s absolute worst nightmare as a free society.”
Clark’s ties to Madison High School, which served as his neighborhood school, were highlighted by a spokesperson for the San Diego Unified School District. The suspect was a member of the wrestling team from 2024 to 2025, participating in team activities until the current academic year. His quiet demeanor and energetic personality were noted by a former wrestling teammate, who said, “I never thought he’d do something like this.”
Family and Friends: A Tangled Web of Influences
Clark’s family had no prior criminal history, but the attack has left them reeling. The second suspect’s identity remains undisclosed, though investigators are examining their connections to the first. Search warrants executed at the scene have uncovered additional evidence, including belongings that may link to the suspects’ ideologies. The focus on the suicide note with writings and the weapon’s inscriptions continues to shape the investigation into the shooting’s cause.
