Security Threat Groups One of the major problems of corrections today is the security threat group or more commonly known as the “prison gang”. A security threat group (S.T.G.) can be defined as any group of offenders who pose a treat to the security and physical safety of the institu...

Security Threat Groups One of the major problems of corrections today is the security threat group or more commonly known as the "prison gang". A security threat group (S.T.G.) can be defined as any group of offenders who pose a treat to the security and physical safety of the instituti...