• Certification with No Audit Findings Irvine, CA—September 1, 2017Sentinel Offender Services LLC, one of the nation’s largest providers of electronic monitoring services and technologies, is pleased to announce that it...

  • Leveraging the company’s more than 20 years of case management experience, Sentinel’s software development team designed Helix to provide an array of tools to assist law enforcement and corrections agencies in their efforts to more effectively manage their offender populations.

  • Sentinel Offender Services has launched SentinelDNA™, the company’s latest enhancement of their state-of-the-art, web-based monitoring and tracking software application. DNA that allows law enforcement and corrections agencies to conduct all of their monitoring functions in real-time.




  • Chicago Tribune

    Preliminary information indicates Woelfel cut off his ankle bracelet around 12:20 a.m. in the area of the 7700 block of Wheeler Drive, police said. The Cook County adult probation unit contacted the former fiancee about Woelfel tampering with the monitoring device and warned that he might be in her area.