The Hamilton County Sheriffs Office is asking for the publics help in locating a missing teenager.Maya Barreto, 15, was last seen Friday at 3:45 p.m. at McNicholas High School. Police said she was last seen walking eastbound on Beechmont Avenue at the time and was believed to be heading to Fairview Park.The sheriff's office said she has a history of self-harm and has been entered as a critical missing juvenile.Barreto is 5 feet, 4 inches tall and 200 pounds, with black hair and hazel eyes. If anyone sees Barreto, call Crime Stoppers at 513-352-3040 or the Hamilton County Sheriff's Office at 513-825-1500. ...read more read less