Shane Tamura, a 27-year-old Las Vegas casino employee, acquired the weapon used in Monday’s attack from his supervisor at the Horseshoe Las Vegas. The New York Police Department has confirmed that the AR-15-style rifle was legally purchased by the supervisor and sold to Tamura for $1,400. This information corrects earlier reports that only parts of the weapon had been supplied.
Tamura fatally shot four individuals before taking his own life. A note found on his person claimed he suffered from chronic traumatic encephalopathy, or CTE, and accused the NFL of concealing the dangers of brain injuries in contact sports. The significance of this claim should not be overlooked, as it raises important questions about the long-term effects of sports-related head trauma.
Tamura’s supervisor at the Horseshoe Las Vegas legally bought the AR-15-style rifle he sold to Tamura for $1,400, the New York Police Department said Wednesday. On Tuesday, police mistakenly said the supervisor had supplied only parts of the rifle used in the attack, including the weapon’s lower receiver. Tamura, who played high school football but never played in the NFL, worked in the surveillance department at the casino.

According to reliable sources, Tamura had a history of mental illness, though specifics have not been disclosed. In September 2023, he was arrested for trespassing at a Las Vegas casino, but the charges were later dismissed.
Investigators have uncovered additional evidence in Tamura’s Las Vegas residence, including psychiatric medication and a suicide note. New York City detectives remain in Las Vegas, pursuing further leads and awaiting warrants to examine Tamura’s personal effects.
The victims of this tragedy include a New York City police officer, an unarmed security guard, and two civilians. Their families and communities are now grappling with the aftermath of this senseless act of violence. As the investigation continues, many questions remain unanswered about the motivations behind this attack and the circumstances that led to it.