Dallas police said in an Oct. 26 update that Natalie Armstrong was last seen exiting a Dallas Area Rapid Transit (DART) train at the SMU/Mockingbird Station on Oct. 21. Police said she was with another person believed to be a juvenile at about 8:43 p.m.
Police said Armstrong was last seen wearing a black hoodie, blue jeans and white shoes.
Anyone with information about her whereabouts is asked to call 911 or the Dallas Police Department's Youth Operations/Missing Persons Unit at 214-671-4268 and reference case No. 155505-2026.