Sister of slain Alameda Co. Sheriff's recruit David Nguyen accepts graduation diploma on his behalf

The ceremony took place with one empty chair in honor of David Nguyen.
DUBLIN, Calif. (KGO) -- It was a bittersweet celebration in Dublin Friday, as Alameda County Sheriff's recruits graduated in the 172nd class of the regional law enforcement training academy.

The ceremony took place with one chair empty, in honor of 28-year-old David Nguyen, who was fatally shot on Interstate 580 in Oakland one month ago today.

Barbara Nguyen accepted a proclamation and honorary diploma on her brother's behalf.

RELATED: Sister of slain Alameda Co. Sheriff recruit shares memories of his life

Speakers paid tribute to David Nguyen, and expressed pride over the unity showed by his fellow recruits after his death.

They also spoke of the significance of their future in law enforcement.

"You're each now part of a family of others, who like you, have pledged to never betray their integrity, their character or the public's trust," Chief Gina Anderson said.

In all, 18 Alameda County Sheriff's recruits graduated from the academy, as did 30 recruits from 13 other agencies.

VIDEO: Family, colleagues honor David Nguyen, Alameda Co. sheriff's recruit shot and killed on I-580
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A funeral was held for an Alameda County Sheriff's Office recruit David Nguyen who was shot and killed earlier this month.

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