Kierra Coles, 26, was last seen near 82nd Street and Coles Avenue last Tuesday, according to police. She is described as 5 feet, 4 inches tall, 125 pounds and has a tattoo of a heart on her right hand and a tattoo that reads "Lucky Libra" on her back. According to relatives, Kierra is pregnant and works as a US Postal carrier. She hasn't reported to work in nearly a week, and her car remains parked at her home.