206 Cases Solved. Advancing justice for missing persons, unsolved homicides, unidentified and unclaimed remains.
Case Description
Any updates on this case? Let us know!
Mark Delmar Engelhart, age 47, went missing on July 24, 2003, from Hermiston, Oregon. At the time of his disappearance, Engelhart, who owned a landscaping business, was going through a divorce and staying at a friend's house. On the day he vanished, he was expected to visit his ranch to care for his animals and attend his parents' anniversary party, but he never showed up. His black Chevrolet S10 truck, along with personal belongings, also disappeared.

After an investigation, suspicion ...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

284

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

11/19/2025


Area Last Seen: