CULPEPER, Va. (WUSA) -- A special prosecutor will investigate last week's deadly police involved shooting in Culpeper, Virginia. He is Fauquier County Commonwealth's Attorney James Fisher.

One week ago, a Culpeper police officer shot and killed 54-year-old Patricia Cook.

The police officer claims he shot in self-defense after his arm became stuck in her car window and she drove off, refusing to stop.

The incident happened after the officer responded to a report of a suspicious person.

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