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254 Cases Solved. Advancing justice for missing persons, unsolved homicides, unidentified and unclaimed remains.

Case Description

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In the summer of 2003, a period of personal upheaval found 47-year-old Mark Delmar Engelhart temporarily residing with a friend in Hermiston, Oregon. A landscaper by trade, Engelhart was known for his dedication to his business and the religious care he provided to the animals on his ranch. On July 24, 2003, this routine was broken. Engelhart failed to tend to his animals, missed a scheduled job, and, most alarmingly, was absent from his parents' 47th wedding anniversary celebration— ...Read More
Last Seen: Jul 24, 2003

Victim Details

Dec 21, 2023

Apr 16, 2024

Mark

Engelhart

69

47

70 inches

160 lbs

White / Caucasian

Male

Jul 24, 2003

Hermiston

Oregon

Umatilla County

97838

No

133233

Umatilla County Sheriff's Office

Pendleton

Oregon

Umatilla County

97801

4700 N W Pioneer Pl, Oregon

5419663600

County

Law Enforcement

2003070083

2003-07-26

Umatilla County Sheriff's Office

3553

Brown

Hazel

Hazel

No

06/27/2026


Area Last Seen: