News Release

National Park Service Seeking Tips to Aid Double-fatality Investigation in Grand Canyon National Park

A couple in their twenties are standing together and taking a selfie in a mirror
Images of Jessica Bartz and Garret Bonkowski, who were found deceased in Grand Canyon National Park, and a ball cap of the type Bonkowski was wearing.

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News Release Date: October 19, 2018

Contact: NPS Investigative Services Branch, (202) 379-4761

National Park Service (NPS) Rangers of Grand Canyon National Park and Special Agents with the NPS Investigative Services Branch (ISB) are investigating a double-fatality that occurred at Grand Canyon National Park on, or around, September 18, 2018. 

Jessica Bartz, age 22, and Garret Bonkowski, age 25, are believed to have entered the park on September 18. Bartz and Bonkowski, both from Peoria, Arizona, were found below Trailview 2 Overlook along West Rim Drive on the South Rim earlier this month. Their vehicle was located in a nearby parking area. 

Investigators are seeking information that will help determine the circumstances surrounding their deaths. If you may have seen Bartz and Bonkowski in the park on or around September 18, or if you have information that could help investigators, please call or text 888-653-0009. Tips may also be submitted online at or by email to e-mail us

Tips may be made anonymously.
ISB: the Investigative Services Branch of the National Park Service

Last updated: October 19, 2018

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PO Box 129
Grand Canyon, AZ 86023



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