Documents: FBI tracked Brianna Williams’ movements in Alabama via cellphone Updated: Tags: JACKSONVILLE, Fla. – News4Jax on Thursday obtained new discovery material in the case of Brianna Williams, the mother accused of abusing her 5-year-old daughter, Taylor. The Jacksonville girl’s remains were found in a wooded area of Marengo County in rural Alabama on Nov. 12, 2019, six days after Williams, a former Navy Petty Officer First Class at NAS Jacksonville, reported her missing. The new material contains more than 400 pages of FBI investigative reports, documents and subpoenas. It includes several maps that show how Williams’ trips from Jacksonville to Alabama were traced via her cellphone, including to the wooded area where Taylor’s remains were found.