Aid an Investigation or Report Something Suspicious in any National Park Service Site

A Special Agent with the NPS Investigative Services Branch speaks on a mobile phone while overlooking a river.
Submit a Tip: you don't have to tell us who you are, but please tell us what you know.

NPS photo by the Investigative Services Branch (ISB).

You can help protect our treasured National Park Service (NPS) sites.


If you see something suspicious in any NPS location, or if you have information that could aid an investigation, stay safe and tell us about it. Talk to any NPS employee for help in reporting suspicious activity, or give the Special Agents of the NPS Investigative Services Branch a call. We understand that it may take time to reach park personnel and/or areas with cell or internet service.

You don't have to tell us who you are, but please tell us what you know:


CALL or TEXT the ISB Tip Line 888-653-0009

ONLINE form >
Submit a Tip

EMAIL nps_isb@nps.gov

EMERGENCY dial 9-1-1

If you see something suspicious in any National Park Service site, stay safe and tell us about it. Submit a tip. Emergency - dial 911.
Submit a Tip

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ISB: the Investigative Services Branch of the National Park Service
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Last updated: April 14, 2019