(CNN) — The mother of a 9-year-old California girl who vanished during their road trip more than two weeks ago was arrested Friday on a felony charge of false imprisonment – but it’s not directly related to the search for her daughter, officials said.

Investigators were looking into the disappearance of Ashlee Buzzard’s daughter Melodee when they learned the mother had recently “prevented a victim from leaving a location against their will,” the Santa Barbara County Sheriff’s Office said in a news release .

“This crime is not connected to the ongoing search for Melodee, however, detectives are unable to fully outline the crime as it would impede their ongoing investigation,” the release said.

Investigators shed little light on the recent incident and declined to provide details on

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