SAN FRANCISCO (AP) — Three San Francisco UPS drivers who were killed by a co-worker last month were remembered Sunday for their kindness and dedication to their jobs.

The San Francisco Chronicle reports about 300 people attended the memorial at City Hall for Wayne Chan, Mike Lefiti and Benson Louie.

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On June 14, UPS driver Jimmy Lam fatally shot the men and wounded two other co-workers during a meeting before the day’s deliveries. He then killed himself in front of police.

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Retired UPS employee Michael Campino said Chan and Louie were always willing to help him translate when he dealt with Chinese-speaking customers. Lefiti was remembered for his gregarious personality.

The drivers’ union, which organized the memorial, said few drivers have returned to the building in Potrero Hill after witnessing the fatal shootings.

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