Police have not identified the student but issued this statement Thursday morning: "Detectives of the Birmingham Police Department have been working through the night reviewing evidence, video and statements on the tragic incident that took place at Huffman High School yesterday. Due to their diligent work a person of interest has been taken into custody. Charges are pending a review of the case by the Jefferson County District Attorney's Office. Because the charges are pending we will not be releasing any information on the individual in custody. Further information will be released as it becomes available."