Ashlie Mae O'Brien, 12, endangered missing girl from Mount Vernon

Ashlie Mae O'Brien. (Photo: Fairfax County Police)

Fairfax County Police are asking for help in finding a 12-year-old girl who disappeared from the Mount Vernon Area last Friday.

Ashlie Mae O’Brien was reported missing on April 27. Police say she told her guardians she was going to a friend’s home around 4 p.m., but never arrived there.

Police believe she’s in danger.

Ashlie is described as 5’4” tall, 130 pounds, blond hair, blue eyes, and has braces on her teeth. She was last seen wearing a red and white jacket and yellow athletic shorts.

Anyone with information is asked to call police at 1-866-411-TIPS/8477, e-mail at or text "TIP187" plus your message to CRIMES/274637 or call Fairfax County Police at 703-691-2131.