The Brief

Major Chad Dickerson of the Pierce County Sheriff's Office has retired after being charged with two counts of vehicular assault-DUI.

Dickerson allegedly caused a crash in Graham, injuring a family, with a BAC of 0.091 recorded hours later.

An internal investigation is underway regarding deputies' handling of the crash scene and body camera usage.

PIERCE COUNTY, Wash. - A Pierce County Sheriff's Office major charged with two counts of vehicular assault-DUI has announced his retirement, effective immediately.

Major Chad Dickerson is accused of driving under the influence and causing a serious crash in Graham that injured multiple members of a family on July 12. Dickerson was officially charged in the crash on Wednesday.

Now, the Pierce County Sheriff's Office said it was

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