Man who died on hike with grandson was Tucson teacher

Published: Jul. 9, 2015 at 6:42 PM MST|Updated: Jul. 23, 2015 at 6:42 PM MST
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Thomas Gillespie (Source: Tucson Unified School District)
Thomas Gillespie (Source: Tucson Unified School District)
Robert Miller (Source:
Robert Miller (Source:

TUCSON, AZ (Tucson News Now) - Officials with Tucson Unified School District have confirmed that a man who died while hiking with his grandson near Gila Bend in Maricopa County on Tuesday, July 7, worked for the district.

Maricopa County Sheriff's Office search teams found their bodies about four miles apart on Wednesday, July 8.

Thomas Gillespie, 63, worked for 23 years at the TAP High School for pregnant and parenting teens, according to TUSD spokeswoman Vanessa Hernandez.

Gillespie was reportedly hiking the Mormon Battalion Trail with his grandson, Robert Miller, 12.

Authorities believe Gillespie may have suffered a medical event or encountered weather-related issues, and that Miller may have left him to get help.

Miller, who is from Prescott Valley, had their car keys with him when he was found.

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