Christina Marie Martinez RESOLVED Christina, circa 1997 Missing Since 05/03/1997 Missing From Phoenix, Arizona Classification Endangered Missing Sex Female Race Hispanic Age 15 years old Distinguishing Characteristics Hispanic female. Details of Disappearance Christina disappeared from Phoenix, Arizona on May 3, 1997. Her remains were found a week later in the desert outside of Florence, Arizona, but they were not identified until June 2010. Investigating Agency - Source Information The Doe Network . .