Any external system linked to the CPI data repository can search for and locate cases and persons based on a subset of criteria. Each piece of data stored in CPI is assigned a CPI identification. Matching mechanisms can be configured to limit the duplicate records displayed based on matching criteria. For example, person searches can return person records from all systems linked to the CPI. Matching criteria such as a name, social security number, and address can link related person records. These records can then be filtered based on their source systems, i.e., the system linked to CPI containing the record.