Manhattan’s suspect of shooting

The man who opened fire in an office building in the center of Manhattan, killing four people and wounding a fifth, had a note claiming that he suffered from CTE, police sources told ABC News.
The suspect Shane Tamura died for suicide after Monday shooting in Mass in 345 Park Avenue, which is the home of the NFL headquarters.

A firefighter is near emergency vehicles while the police respond to a nearby shooting incident in downtown Manhattan, on July 28, 2025.
Charly triballeau/AFP through Getty Images
A page of the note found in Tamura’s pocket accused the NFL of hiding the dangers of players’ brains to maximize profits, the sources said.
A second page mentioned CTE and blamed football. A third page asked: “Study my brain please. I’m sorry,” the fountains said.

Shane Devon Tamura, 27, identified by the NYPD as the shooter of the Manhattan center office building.
Obtained by ABC News
CTE, or chronic traumatic encephalopathy, is a brain -related brain disease related in the head, often seen in veterans and military athletes, including soccer players, hockey players and boxers. CTE cannot be diagnosed in a living person with certainty, but doctors can suspect depending on the symptoms and history of trauma in the head. Symptoms include memory loss, mood changes, confusion and problems to think clearly.
Tamura, 27, played high school football in Los Angeles, but did not play professionally; The police have not found evidence until the moment he suffered a traumatic brain injury or had CTE, the sources said. It has no known connection with the NFL.
At the end of the Tamura fuss, Tamura died for suicide in the offices of the Rudin administration, on the 33rd floor of the building, authorities said.
“It seems that I was going to chase NFL employees,” said New York City Mayor Eric Adams, in Fox 5 on Tuesday.

Police and others meet in a crime scene in downtown Manhattan after two people, including a police officer, were fired inside an office building on July 28, 2025 in New York City.
Spencer Platt/Getty Images

Police officers and emergency vehicles are seen on a street while the police respond to a shooting incident in the center of Manhattan, on July 28, 2025.
John Lamparski/AFP through Getty Images
“He, from our preliminary research, took the elevator bank wrong to the NFL headquarters,” Adams told CBS. “Instead, he took him to Rudin’s management, and that is where he made additional shootings and took the lives of additional employees.”
Four people were killed. Two have been identified: a Blackstone executive who was a wife and mother, and a police officer who was a two -year -old father with a third party.
A fifth shooting victim was injured and taken to the hospital in critical condition, authorities said. That victim is out of surgery and is stable on Tuesday morning, according to a source familiar with the state of the individual.

A police officer and a civilian were shot in the center of Manhattan on Monday by a suspect who fled to an offices building, police sources told ABC News.
ABC News
Police tracked the BMW movements of Tamura through multiple states since he left Nevada on Saturday and entered New York on Monday, approximately two hours before the shooting, fountains said.
Tamura had two mental health crises in his background in Nevada, one in 2022 and the other in 2024, sources of application of the law said. Those contained generally allow a person to be arrested for up to 72 hours if they believe they are a danger to themselves or for others. According to a source, when there is this type of retention in Nevada, officers have to transport the person to the hospital. Once that happens, the medical staff takes over and decides how long to retain the person.
A Las Vegas police source said Tamura also obtained its CCW, or the hidden transport license, in 2022 and also has a previous arrest due to the state.

New York Police officers and other police officers expect the ambulance transfer of the killed officer of the New York Diar Islam police, who was killed during a massive shooting in the center of Manhattan, at the New York Medical Center/Weill Cornell in New York City, USA, July 29, 2025.
Bing Guan/Reuters
President Donald Trump wrote on social networks on Tuesday that he was informed “about the tragic shooting that took place in Manhattan, a place that I know and love.”
“I trust that our law enforcement agencies reach the bottom of why this crazy lunatic committed such an insensitive act of violence,” he wrote. “My heart is with the families of the four people who were killed, including the New York Police officer, who made the last sacrifice. God bless the New York Police Department, and God bless New York!”
This is a development story. Consult the updates again.
Darren Reynolds and Liz Neporant of ABC News contributed to this report.