Sex Offender Resources. The Colorado Bureau of Investigations (CBI) provides educational information and things you should know about sexual offending. As with all other metro area cities, Broomfield is home to sex offenders. On the Sex Offender Tracking And Registry (SOTAR) web page, you will find information. This website does not list all convicted sex offenders in Colorado. The CBI does not post information concerning (1) sex offenders only convicted of CBI: Sex Offender Registry · Sex Offender Fugitives · Notifications · Registration.