Donald C. Y. Kwan was 20 when he was killed on September 4, 1977, in San Francisco’s Chinatown. He was one of five civilians who died during the Golden Dragon massacre, a gang-related mass shooting inside the Golden Dragon Restaurant that happened at about 2:40 a.m.

Members of the Joe Boys entered the restaurant armed with a .45-caliber Commando Mark III rifle, two 12-gauge pump-action shotguns, and a .38-caliber revolver intending to attack Wah Ching leaders who were not there. The gunfire instead struck patrons; eleven people were injured in addition to the five killed.

The San Francisco Police Department investigated, and seven perpetrators were later convicted and sentenced. The massacre prompted creation of the Asian Gang Task Force and is credited with helping reduce Chinatown gang violence by 1983.