Yavapai County Sheriff’s deputies are asking for the public’s help in locating a missing teenager in Prescott Valley. Officials say 16-year-old Stephen Brannon Jr. left his home on his black bike, sometime around 10 p.m. Monday and hasn’t been seen or heard from since. The direction he was traveling on his bike is unknown. Stephen is a white male, about four-feet-eight-inches tall, weighing 90 pounds with blond hair and blue eyes. If anyone has any information about this case or knows Stephen’s whereabouts, contact the Yavapai County Sheriff’s Office at (928) 771-3260 or Silent Witness at 1-800-932-3232.