HALTOM CITY, Texas (KXAN) – Police are searching for a missing 12-year-old girl who was last seen in Haltom Monday night. Haltom is a city in the Dallas-Fort Worth region. Police issued an Amber Alert Wednesday morning for Cassie Johnson. She is a Black female with brown eyes and black hair, about 5’4 in height and 130 in weight. She was last seen wearing glasses, a black hoodie with a “Venom” logo, black or gray pants, and black high-top Converse.