A 37-year-old pharmacist from North Dakota, Artoun Gostantian, has tragically been confirmed dead after being reported missing for nearly two weeks in Theodore Roosevelt National Park. His twin brother, Sassoun Gostantian, shared the news during a painful time for the family, describing Artoun as a kind-hearted individual who embraced life joyfully.
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Artoun was last seen leaving his home on 19 July, when he departed in his silver 2022 Toyota RAV4 around 8:38 am local time. The New Town Police Department subsequently requested assistance from the public in locating him after he failed to return home. Just days later, on 21 July, authorities located his vehicle within the park and found video footage showing him entering the area.


The search for Artoun intensified, with the Civil Air Patrol North Dakota Wing and the North Dakota National Guard joining local law enforcement in efforts to locate him. The State Emergency Communications Centre attempted to ping Artoun’s mobile phone multiple times, but these attempts were unsuccessful.
After nearly two weeks of searching, a discovery was made on 2 August when possible human remains were located in the north unit of Theodore Roosevelt National Park. The remains were forwarded to the McKenzie County Coroner for examination. Following an autopsy conducted by the North Dakota State Forensic Examiner on 4 August, the remains were confirmed as belonging to the missing hiker.
In a statement released on their social media platforms, the McKenzie County Sheriff’s Office informed the public about the grim conclusion to the search, while the National Park Service noted it was cooperating with the sheriff’s office regarding the ongoing investigation.
Family and friends have been left devastated by the loss of Artoun, whose passion for the outdoors was well-known. In a heartfelt GoFundMe campaign, Sassoun described his twin as “a gentle soul who brought joy and kindness to everyone he met.” He explained that Artoun had a particular affinity for adventures and was mesmerised by nature’s beauty, which drew him to conduct exploratory hikes.
On the day he vanished, it was reported that Artoun was revisiting Theodore Roosevelt National Park, captivated by its stunning landscapes and historical features. While exploring the Buckhorn Trail, he opted to stray from the path to photograph the remarkable scenery, caves, and vividly coloured rocks, a decision that ultimately led to his disappearance.
Sassoun’s emotional tribute highlighted the familial bond they shared and the profound impact Artoun had on those around him. “He always sought new adventures and alternatives, embracing life with a big smile and a happy heart,” Sassoun wrote, further illustrating the deep sense of loss felt by the family.
Despite their grief, the family has expressed gratitude for the extensive efforts made by local law enforcement and search teams who dedicated time and resources in hopes of finding Artoun. The New Town Police Department has not yet responded to requests for further comments regarding the investigation and search efforts.
This heartbreaking story serves as a reminder of the unpredictability of outdoor adventures and the importance of safety when exploring nature. As the local community continues to reel from the news, tributes are expected to pour in, honouring the life of a beloved brother and friend, whose adventurous spirit will surely be remembered.
