Four years have passed since Lindsey Baum disappeared in McCleary, Wash. Today the Grays Harbor County Sheriff's Department released an age-progressed photograph of Baum, as well as other pictures of her.

In June 2009, Baum left a friend's house to walk home and was never seen again. She was 10 at the time.

Sheriff Rick Scott will hold a press conference Wednesday morning and Lindsey Baum's mother, Melissa Baum will attend.

PHOTOS:Washington's missing children

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