The Wah Mee Massacre occurred on February 18, 1983, in Seattle's Chinatown-International District, where 13 people were brutally murdered during a robbery at the Wah Mee Club, an illegal gambling den. The perpetrators, Willie Mak, Benjamin Ng, and Tony Ng, were quickly apprehended and brought to trial. The massacre is considered one of the deadliest mass murders in Washington State's history. It led to significant changes in community safety measures and heightened awareness of the vulnerabilities within the Chinatown-International District.