The Sullivan County Sheriff’s Office is asking the public for help in finding a missing 13-year-old girl.According to a release from SCSO, investigators were called to a home in the 800 block of Mill Creek Road in Kingsport Sunday night regarding a missing juvenile.The release states Alley Bowen, 13, had left the home Sunday around 2 p.m. and not returned.SCSO reports Alley was last seen in a pink shirt with a pineapple on the back and dark, ripped jeans.She is described as white with brown hair and brown eyes.