The Mi-DEx Participation Guide has been developed to assist local agencies implement Mi-DEx. It provides a statement on the Mi-DEx mission and a more detailed description of Mi-DEx, as well as step-by-step instructions on how to participate in Mi-DEx.

Technical information in the form of a Data Submission Guide can be obtained by contacting Wendy Easterbrook at 517-284-3326.

Training is currently offered on the N-DEx webpage through

How do I get access to N-DEx? N-DEx is granted on an individual user basis. There are two ways to obtain access to N-DEx.  The first is through the MiCJIN Portal.  The second would be through the Law Enforcement Enterprise Portal (LEEP).  The directions below will assist you in gaining access through either portal.

MiCJIN Portal

  • Go to
  • Select Forms.
  • Under the Law Enforcement Information Network (LEIN) Forms section, select the CJIS-020
    N-DEx Application Access Request link.
  • Complete sections 1 – 4 and fax the form to Ms. Wendy Easterbrook at 517-241-1904.
  • If your agency wishes to contribute data to N-DEx, complete section 5.

Law Enforcement Enterprise Portal (LEEP)

  • Obtain a LEEP membership.  Applications can be found via the LEEP website at and then choosing the "Apply for an Account" link.
  • Once you have received your username and password, login to the LEEP Portal.
  • Select the “LEO Special Interests Group (SIG)” icon.
  • Locate the N-DEx links on the bottom of the SIG page. Select the “Request N-DEx Access” link.  You must enable “pop-ups” from this website.
  • Choose Federal, State, or Tribal link corresponding to your agency.
  • Locate your sub-SIG (listed alphabetically) and click “Request Access.”
  • Click the “I Meet the Criteria” link.
    • In the text field, it is mandatory to enter:
      • Supervisor’s name
      • Supervisor’s phone number
      • Originating Agency Identifier (ORI)
      • Your e-mail address

If you receive a message stating you do not meet the criteria for N-DEx access, please call LEEP Technical Support at 1-888-334-4536 and provide your NCIC ORI.  You may then return to request access to N-DEx.

  • Click “Submit” to forward your request to the sub-SIG moderator.

A moderator will review your request.  When your request is approved, an email will be sent to the email address that you have provided alerting you that your N-DEx account is now accessible.

If you have any questions regarding the steps above, please contact Ms. Wendy Easterbrook at 517-284-3326 or