N-Dex / JCIS Training and Learning Center

National Data Exchange (N-DEx) — a national investigative information sharing system giving access to records from across the nation to aid in criminal investigations. Investigators can review criminal justice data from state, local, tribal, regional, and federal agencies, 24/7, from any secure Internet-capable device. Data includes incident reports, arrest reports, booking and incarceration reports, pre-trial investigations, and probation and parole records.

For assistance with the Law Enforcement Enterprise Portal (LEEP), please contact the LEEP Help Desk at (888) 334-4536.

Title	Type	Description
N-DEx Access Guide	Guide	Provides information for gaining access to the N-DEx system.
Access to LEEP and N-DEx through DOJ Login	Job aid	Step by step guide for accessing LEEP and the N-DEx system through the DOJ Login Portal
How to request access to LEEP	Job aid	Step by step instructions on applying for a LEEP account.
N-DEx Audit	Job aid	Provides a quick reference card on how to manage audit reports regarding user activity, search statistics, search criteria, and viewed records for assigned users/agencies.
N-DEx Batch Query	Job aid	Provides the ability for users to upload a file containing multiple people, vehicles, telephone numbers, or key words to be searched at one time.Batch Queries can be viewed as soon as results begin returning.
N-DEx Best Practices	Job aid	Provides a summary of best practices in the use of N-DEx.
N-DEx Overview	Job aid	Overview of the National Data Exchange program that provides the capability for sharing, searching, linking, and analyzing local, state, tribal, and federal records, including incident and case reports; arrest, incarceration, and booking data; pre-trial investigations; calls for service; photographs; field contact/identification records; and probation and parole data.
N-DEx Search Function	Job aid	Provides a summary of the N-DEx seach function, Boolean Operators and wildcard characters, and interpreting returned information.
N-DEx Subscription and Notification	Job aid	Provides users with the capability to identify a Search, Person Entity, or Record for future updates. Subscriptions may also be set for deconfliction by looking for other N-DEx users who are searching for the same people, places, things, key words, or records.
N-DEx User Management	Job aid	Provides a quick reference card for management of user's roles and rights to agency/department users.
N-DEx for Law Enforcement	Job aid	Provides an overview on benefits of using N-Dex for law enforcement agencies.
N-Dex - How To Request Access	Job aid	Overview on how to access N-DEx and its training materials and policy manual which resides behind the N-DEx Special Interest Group (SIG) portal on LEEP.
N-DEx Policy & Operating Manual	Manual	Minimum standard used by agencies and users to search, link, analyze and share criminal justice information such as, incident/case reports, incarceration data, and parole/probation data on a national basis. A LEEP account is required to access this manual.

For assistance with the DOJ JCIS Training and Learning Center please contact the DOJ Service Desk at [email protected].
For urgent assistance 24x7, please contact the DOJ Service Desk at 202-616-7100.