Originally published here: https://www.clearancejobsblog.com/failure-to-disclose-an-incarcerated-sibling-results-in-clearance-denial/
Section 18 on the Questionnaire for National Security Positions (SF-86) asks the applicant to list the following regardless of whether they were living or deceased: Mother, Father, Stepmother, Stepfather, Father-in-law, Mother-in-law, Child (including adopted/foster), Stepchild, Brother, Sister, Stepbrother, Stepsister, Half-brother, Half-sister, Foster parent, or Guardian. Read more here…