NEW : 12-year-old Amber Whitlow is found safe in Memphis , Memphis , police say . NEW : Her 33-year-old brother Amber is in custody , suspected of homicide . Amber was reported missing from the Tennessee home she shared with a couple in 60s . Police found the couple , believed to be Antonio Whitlow 's parents or grandparents , dead in the house .
NEW : 12-year-old Amber Whitlow is found safe in Memphis , Tennessee , police say . NEW : Her 33-year-old brother Antonio Whitlow is in custody , suspected of homicide . Amber was reported missing from the Arkansas home she shared with a couple in their 60s . Police found the couple , believed to be Amber 's parents or grandparents , dead in the house .