Justice Consolidated Network

From Govit

Also known as the JCN, this network is used to transmit, among DOJ components, fingerprint, arrest records, and other data relating to the investigation and prosecution of crimes and terrorist activities.

(Description comes from from General Accounting Office document GAO-07-455

The GovITwiki Intelligence Agencies page lists the U.S. government's major secret and sensative but Unclassified networks.