Authorities from multiple agencies are investigating after a mother and her two young daughters were found dead inside a Farmers Branch car. Kaufman County Deputies reported 31-year-old Natalie Chambers and her daughters four-year-old Izabel and two-year-old Elise were missing after they left their Forney home for a play date in Grapevine and never returned. The Medical Examiner’s Office will determine the cause of death.