Since 1993, Sentinel Offender Services has provided offender management solutions to community corrections agencies across the U.S.. Sentinel offers one of the most comprehensive sets of products and services in the industry. With customer experience across the US, Sentinel is a leader in comprehensive community-based offender management solutions. We support all levels of courts, law enforcement, and community corrections agencies. No vendor offers a wider or more flexible set of offender management solutions.  Products and services include GPS and RF electronic monitoring, remote alcohol testing, substance abuse screening, domestic violence victim monitoring, cognitive skills training, and full-service offender management.