Willie Mak, Tony Ng et Benjamin Kin Ng assassinent 13 personnes au club de jeu du Louisa Hotel à Seattle. 

a multiple homicide that occurred during the night of February 18–19, 1983, in which Kwan Fai "Willie" Mak, Wai-Chiu "Tony" Ng, and Benjamin Ng (no relation) bound, robbed, and shot fourteen people in the Wah Mee gambling club at the Louisa Hotel in Chinatown-International District, Seattle. Thirteen of their victims died, but Wai Chin, a dealer at the Wah Mee, survived to testify against the three in the separate high-profile trials held in 1983 and 1985. It is the deadliest mass murder in Washington state history.

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