HCSO searching for missing 14-year-old girl last seen in NW Houston article Katelyn Fox, 14, was last seen on Jan. 3 in the 13000 block of Echo Landing Drive in the Mills Run subdivision. HOUSTON - Harris County Sheriff's Office deputies are asking for the public's help in search of a missing 14-year-old girl. Katelyn Fox was last seen on Jan. 3 in the 13000 block of Echo Landing Drive in the Mills Run subdivision. Deputies say she was last seen wearing a light-colored shirt and pink pajama pants. She is described as a fair skin girl, standing at 5-feet-tall, weighing 100 pounds, with brown eyes and brown hair.