Answers to frequently asked questions about Security Threat Groups (STGs) or prison gangs are provided. Topics covered include: what a STG is; the 12 STGs recognized in Texas prisons; why an offender joins a STG; what the indicators of STG membership are; how STGs recruit members; what administrative segregation is; what a STG can do to your family if your son/daughter joins; what STG members and/or their family and friends face upon their release from prison; and what to do to get out of a STG.