NYC Office Shooting Timeline: Suspect Driven from Nevada

The Tragic Midtown Manhattan Shooting

A shocking incident unfolded in the heart of Midtown Manhattan on Monday, when an individual armed with body armor and an assault-style rifle entered a high-rise office building and opened fire. The suspect, identified as 27-year-old Shane Tamura, was later found dead by suicide on the 33rd floor of the 44-story tower located at 345 Park Ave. The attack occurred around 6:30 p.m. local time and resulted in four fatalities, including an off-duty police officer, and one injury.

The location of the shooting, just two blocks from St. Patrick's Cathedral and Rockefeller Center, has raised concerns about public safety in one of the city’s most iconic areas. Authorities are still investigating the motive behind the attack, but a note found in Tamura’s pocket has provided some insight into his mindset.

A Note with Alarming Claims

According to sources, the note contained in Tamura’s pocket suggested that he suffered from chronic traumatic encephalopathy (CTE), a degenerative brain disease often associated with repeated head trauma. This condition is commonly seen in athletes, particularly those involved in contact sports like football, hockey, and boxing. Tamura, who had previously played high school football, claimed that his CTE was a result of playing football and requested that his brain be studied after his death.

However, preliminary investigations have not confirmed the presence of CTE in Tamura. Medical experts emphasize that CTE can only be definitively diagnosed posthumously, and there is no reliable method to confirm it while a person is alive.

Timeline of Events Leading to the Attack

Tamura’s movements before the attack were tracked by investigators:

• July 26: Tamura, who once held a private investigator license in Nevada, was believed to have left his home in a gated community in Las Vegas. His vehicle traveled through Colorado during the day.
• July 27: His car was tracked through Nebraska and Iowa.
• July 28: The suspect’s vehicle was spotted in Columbia, New Jersey, approximately 70 miles from New York City. He entered the city shortly after 4:24 p.m.
• July 28 (continued): At 6:28 p.m., Tamura parked his black BMW near the building at 345 Park Ave. Security footage captured him entering the building wearing sunglasses, a dark jacket, and body armor, carrying a high-powered M4 rifle.

Upon entering the lobby, Tamura began firing indiscriminately, targeting individuals in the building. Among the victims was Didarul Islam, an off-duty NYPD officer who was working security at the building and attempted to protect others. Another security guard, Aland Etienne, was also fatally shot while confronting the shooter.

Tamura continued his rampage, killing three more people before reaching the 33rd floor, where he allegedly killed a fourth victim and then took his own life with the M4 rifle.

Additional Findings from the Investigation

In addition to the note, authorities discovered several items in Tamura’s car, including extra ammunition, a revolver, a backpack, and medication. These findings may provide further clues about his mental state and intentions.

New York City Mayor Eric Adams stated that based on the note, investigators believe Tamura was targeting the headquarters of the National Football League (NFL), which is housed in the same building. However, law enforcement sources indicated that Tamura mistakenly took the wrong elevator bank, leading him to the offices of Ruden Management instead.

Mental Health Background

Police sources revealed that Tamura had two mental health crisis holds in Nevada, one in 2022 and another in 2024. These holds typically allow for temporary detention if a person is deemed a danger to themselves or others. While the exact nature of these incidents remains unclear, they suggest a history of potential instability.

Reactions from Public Figures

President Donald Trump expressed his condolences on social media, stating that he was briefed on the tragic event. He praised law enforcement for their efforts and offered support to the families of the victims, including the off-duty NYPD officer who lost his life.

As the investigation continues, questions remain about the motives behind the attack and the role of Tamura’s mental health and claims of CTE. The tragedy has sparked renewed discussions about gun violence, mental health care, and the long-term effects of contact sports on athletes.