Janet Yamanaka Mello stole over $100 million through an elaborate scheme involving the Child & Youth Services department at Fort Sam Houston.Erich Schlegel/Getty ImagesA judge sentenced a Texas woman to 15 years for stealing over $100 million from the US Army.Janet Yamanaka Mello used her position at Fort Sam Houston to secure fraudulent grants.Mello funded a lavish lifestyle, buying 80 vehicles, jewelry, clothes, and real estate.A Texas woman will spend more than a decade in prison after stealing over $100 million from the military to fund her lavish lifestyle.A federal judge sentenced Janet Yamanaka Mello, 57, to a term of 15 years in federal prison last week on five counts of fraud and five counts of filing false tax returns.Mello previously worked as an employee for the Child & Youth Services department at Fort Sam Houston, according to court documents.