Shane Devon Tamura was a resident of Las Vegas, Nevada, United States. The city is around 270 miles away from Los Angeles, California, USA, which is home to the independent charter school Granada Hills Charter.

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BIOGRAPHY

Tamura was an American private investigator with a documented history of mental health issues. He spent the last minutes of his life opening fire inside a building in New York City, New York, USA, which houses the National Football League headquarters and other major corporate offices.

In high school, Tamura played football player as a running back, a cornerback and a free safety. Here are 13 more things about him:

  1. He was born in Hawaii, USA.
  2. He was raised in Santa Clarita, California.
  3. From Santa Clarita, he moved to Las Vegas where he earned a private investigator’s license.
  4. After he was  issued a work card by the Nevada Private Investigators Licensing Board, he worked at the Horseshoe hotel and casino in Las Vegas as a surveillance department employee.
  5. From 2013 to 2014, he was a junior varsity football player at Golden Valley High School in Santa Clarita.
  6. In 2015, he transferred to Granada Hills Charter in Grenada Hills, Los Angeles where he played football as a running back.
  7. In 2016, he graduated from Granada Hills Charter.
  8. He lived with his parents in a house in Las Vegas, which the parents bought in 2021.
  9. In 2022, he had his first mental health contact in Nevada.
  10. The concealed-carry license for a handgun he obtained in Las Vegas in 2022 was supposed to expire in 2027.
  11. In 2023, he was arrested in Las Vegas.
  12. In 2024, he had a second mental health contact in Nevada.
  13. In 2025, he died in Manhattan, New York City at age 27.
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TIMELINE

Tamura was 5’7″ tall. In 2016, his registered weight was 140 pounds.

2010s

  • On September 26, 2015, Los Angeles Daily News reported that he rushed for 46 yards in 13 carries and caught five passes for 38 yards for Granada Hills Charter.

2020s

  • In January 2021, his parents bought a three-bed, two-bath house in Desert Shores, Las Vegas.
  • On June 14, 2022, the Las Vegas Metropolitan Police Department issued his concealed firearms permit.
  • In September 2023, he was arrested by LVMPD officers on suspicion of trespassing at the Red Rock Casino Resort and Spa in Las Vegas.
  •  In November 2023, the charge filed against him in September 2023 was dropped after the Clark County District Attorney declined to file a complaint.
  • On January 19, 2025, he turned 27.
  • On July 26, 2025, he left his residence in Las Vegas, drove his black BMW to New York City and traveled through Colorado, USA.
  • On July 27, 2025, traveled through Nebraska, USA; Iowa, USA and Columbia, New Jersey, USA.
  • On July 28, 2025, he arrived in Manhattan. At around 6:30 p.m., he used an AR-15-style rifle to open fire inside 345 Park Avenue in Manhattan, killing Aland Etienne, Didarul Islam, Julia Hyman and Wesley LePatner. After the mass shooting, he died from a self-inflicted gunshot wound.

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Published by Kiyoshi Motohiko

A business and technology enthusiast, I am curious about how societies pick which brands to include in their history as a generational group.

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