This is the daughter of a friend of mine's colleague. Their family is desperate to find their daughter and needs help, please!! BERKELEY, Mo. (KMOX News) -- Berkeley Police are asking for the public's health in locating a 16-year old girl, missing since December 29th. Chief Frank McCall says Shemika Cosey was last seen in her aunt's house in the six-thousand block of Napier around one in the morning last Monday. McCall says at the time, foul play was not suspected. However, he is very concerned that the teen has not been heard from. Chief McCall says she lives in the north county area and is known to frequent East Saint Louis. Shemika is African American, about 5'5", weighs 160 pounds and was wearing a tan colored Old Navy jacket and blue jeans. If you have any information call the Berkeley Police.