NEW : Biological family of two is arriving from Canada . A vigil is planned next week on Zahra 's birthday . charge related to the case after she admitted to writing a fake ransom note found at the family 's home . The year - old 's disappearance is being investigated as a homicide . The girl 's father is charged with obstruction of justice .
NEW : Biological family of two is arriving from Canada . A vigil is planned next week on Zahra 's birthday . The year - old 's disappearance is being investigated as a homicide . The girl 's father is charged with obstruction of justice .