Chilling Last Words of Deranged NYC Shooter Who Pleaded for Brain to Be Checked in Haunting Note — as He Declared 'NFL Will Squash You'
The content of NYC shooter Shane Devon Tamura's suicide note has been revealed.
July 29 2025, Published 1:35 p.m. ET
The chilling last words of the gunman who entered a New York City skyscraper and opened fire, killing four people before turning the gun on himself, have been uncovered.
Shooter Shane Devon Tamura was found with a suicide note in his back pocket, in which he pleaded for his brain to be studied and targeted the NFL, RadarOnline.com can reveal.
Tamura, 27, was a former high school football player who claimed to suffer from CTE, a degenerative brain disease associated with frequent head injuries.
Deadly Rampage
Shane Tamura entered 345 Park Avenue carrying a M4 rifle.
As RadarOnline.com reported, surveillance footage captured Tamura walking into 345 Park Avenue in Midtown Manhattan, where the NFL headquarters are located, carrying an M4 rifle on Monday, July 28.
Upon entering the building, he "immediately opened fire" on an NYPD officer. He then took the elevator to the 33rd floor, where he discharged his weapon once again before taking his own life.
New York Police Commissioner Jessica Tisch said Tamura "has a documented mental health history" and recently drove across the country from Las Vegas to NYC.
Suicide Note
Tamura wrote 'you can't go against the NFL; they'll squash you' in his suicide note.
While authorities are still investigating a motive, a suicide note discovered in the shooter's pocket gave shed some light on his state of mind before he carried out the act of violence.
Tamura's handwritten note read: "Terry Long football gave me CTE, and it caused me to drink a gallon of antifreeze.
"You can't go against the NFL; they'll squash you.
"Study my brain, please. I'm sorry. Tell Rick I'm sorry for everything."
Shooter 'Blamed the NFL'
An NYPD officer and three others were killed in the attack.
New York City Mayor Eric Adams said it appeared Tamura "blamed the NFL" for his alleged CTE.
Adams said at a press conference on Tuesday, July 29: "We have reason to believe he was focused on the NFL agency that was located in the building. He appeared to have blamed the NFL for his injury."
A preliminary investigation by police found no evidence Tamura suffered from CTE, though the disease can be complicated to diagnose in a living person.
An NFL staff member was injured in Tamura's attack, which claimed the lives of the NYPD officer and three others.
Mayor Eric Adams said Tamura 'appeared to have blamed the NFL for his injury.'
NFL commissioner Roger Goodell told staff in a letter one of their own was "seriously injured" in the mass shooting but survived.
NYPD Captain John Monaghan reportedly said Tamura appeared to be aware his rampage would cost him his life based on how he entered the Manhattan office building.
Monaghan said: "It's clear from the picture (of the gunman's entrance) he is not worried about getting caught.
"This is a guy who went into that building knowing, intending to kill someone and probably knowing he was not going to come out alive."
Never Miss an
Daily updates from the heart of Hollywood, right to your inbox
By entering your email and clicking Sign Up, you’re agreeing to let us send you customized marketing messages about us and our advertising partners. You are also agreeing to our Terms of Service and Privacy Policy.
Tamura was working as a security guard at a Las Vegas casino and had been issued a concealed firearms permit by the Las Vegas Police Department.
He graduated high school in the Los Angeles area and was described as a standout football player and "goofball" by his former teammates.
