'Documented mental health history': Who was Shane Tamura? What we know about the Manhattan building shooter

A shooting at a Midtown Manhattan office building on Monday evening left five people dead, including a New York City police officer and the suspected gunman, according to police.

The suspected gunman, identified as Shane Tamura died at the scene from a self-inflicted gunshot wound, police said.

Mayor Eric Adams called the attack a "senseless act of violence" and said officials are still working to understand the motive.

"We lost four souls to another act of senseless violence," Adams said at a late-night briefing, excluding the gunman from the death toll.

BREAKING: Manhattan High-Rise Shooter ID’d as Shane Tamura, 27 - Granada Hills Charter Football Interview Resurfaces After NYPD Officer Killed pic.twitter.com/9HaNtCCn9H

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Who was Shane Devon Tamura?

• Shane Devon Tamura, the 27-year-old suspected gunman in the deadly Midtown Manhattan office shooting, was originally from Hawaii and later moved to Las Vegas.
• Tamura opened fire at a high-rise office building on Park Avenue on Monday evening, killing four civilians and an NYPD officer before turning the weapon on himself.
• Commissioner Tisch confirmed Tamura had a "documented mental health history," but no clear motive has been established yet. "We are working to understand why he targeted this particular location," she said.
• While an official biography is yet to be confirmed, unverified reports suggest Tamura was a former high school football player, having played as a running back at Granada Hills High School in California.
• A former teammate, Caleb Clarke, described him as “a goofball” and “class clown,” full of energy, according to NBC.
• A concealed carry permit issued in Las Vegas in July 2022, bearing Tamura’s photo, was found at the scene.
• Surveillance footage showed him exiting a black BMW, armed with a .223-caliber Palmetto State Armory AR-15-style rifle equipped with a black scope, handguard, and shoulder sling.

Read | 'People used furniture to block door': Eyewitnesses recall terrifying moments during Manhattan building shooting; video shows chaotic scenes

• The gun, priced around $420, was reportedly the same one used during the attack, New York Post reported.
• Police said that Tamura first shot an officer stationed at the building's entrance, then opened fire on a woman trying to flee, followed by a security guard and another man inside the lobby.
• He later shot himself at the scene. Police later found a revolver, ammunition, and extra magazines in his vehicle.
• The shooting took place at 345 Park Avenue , a prominent high-rise that houses major institutions including Blackstone, the National Football League, and the Irish Consulate.
• Emergency crews responded swiftly to the scene, where four civilians were found dead and a fifth was rushed to the hospital in critical condition.
• The slain officer was pronounced dead at the hospital. Authorities have not released the names of the victims, and the investigation is ongoing.
• Investigators are still piecing together the full timeline and motivation behind the attack.