Overview

Last Seen: April 4, 2010
Location: Casper, Wyoming
Age: 32
Date of Birth: October 2, 1977
NamUs: MP8498
Classification: Endangered Missing
Investigating Agency: Mills Police Department

Main circumstances: Uptain attended a church service at Salt & Light in Casper with family on Easter Sunday. During the service, he reportedly said he was going to get coffee. He left and did not return. His wallet and other belongings were left behind, and his family said abruptly cutting off contact was unlike him.

Detailed Case Breakdown

Seth Allen Uptain Missing Person Case: The 2010 Disappearance from Casper, Wyoming

Seth Allen Uptain was 32 years old when he disappeared from the Casper, Wyoming, area on Easter Sunday, April 4, 2010. More than 15 years later, his whereabouts remain unknown. His case is classified as endangered missing, and the Mills Police Department continues to investigate.

Brief Case Summary

Last Seen: April 4, 2010
Location: Casper, Wyoming
Age: 32
Date of Birth: October 2, 1977
NamUs: MP8498
Classification: Endangered Missing
Investigating Agency: Mills Police Department

Main circumstances: Uptain attended a church service at Salt & Light in Casper with family on Easter Sunday. During the service, he reportedly said he was going to get coffee. He left and did not return. His wallet and other belongings were left behind, and his family said abruptly cutting off contact was unlike him.

Seth Uptain Disappears After Leaving a Casper Church

On April 4, 2010, Seth Allen Uptain attended an Easter church service at Salt & Light in Casper, Wyoming. According to investigators and his family, Uptain left during the service, reportedly saying that he was going to get coffee.

He never returned to the church and did not return home. His mother subsequently reported him missing. Uptain reportedly left his wallet and belongings behind, an important detail because his family considered it highly unusual for him to disappear without maintaining contact.

Difficult Circumstances Before the Disappearance

Accounts from Uptain’s family indicate that the period before his disappearance had been difficult. He was unemployed and experiencing serious financial problems. Earlier case summaries also reported that he had been living without basic utilities and had experienced legal difficulties.

His family described him as depressed and agitated around the time he vanished. A 2025 report provided additional context from his sister, who described him as experiencing what she believed was an undiagnosed mental health crisis when he disappeared.

The same reporting noted that Uptain had discussed possibly traveling to Denver, Colorado, or Oregon to find work. His mother reportedly questioned whether pending legal problems might have contributed to his decision to leave.

Publicly available court records reviewed by Cowboy State Daily showed that Uptain had failed to appear on a misdemeanor matter in Natrona County Circuit Court on December 31, 2009, resulting in a bench warrant. The publication reported in May 2025 that the warrant was no longer active.

What Seth Uptain Was Wearing and Identifying Characteristics

Uptain is a white male with blond hair and hazel eyes. He was approximately 6 feet tall and was listed as weighing between about 180 and 230 pounds.

He normally wore eyeglasses, although investigators believe he may not have had them with him. A particularly useful identifying characteristic is an injury to his left hand: the tips of his middle and ring fingers are missing.

At the time of his disappearance, he was described as wearing a black wool overcoat, a light-colored button-down shirt, a sweater vest, brown dress pants and brown dress shoes.

Years of Searches Have Produced No Confirmed Trace

Investigators have continued checking national databases for evidence that could explain what happened to Uptain. In the most significant recent public update, Mills Police Detective Kate Acord said the department remained committed to resolving the case.

According to reporting published May 17, 2025, repeated searches through the National Crime Information Center and other background databases had produced no confirmed trace of Uptain. His dental information and DNA had also been entered into national databases without producing a match to unidentified human remains in the United States or Canada.

The absence of a database match means investigators still do not have evidence establishing whether Uptain died after disappearing, intentionally began living under the radar, or experienced some other circumstance. Publicly available information continues to classify him as missing rather than the victim of a confirmed homicide.

Possible South Carolina Sighting Raises New Questions

One of the most intriguing pieces of information to emerge publicly concerns a former college roommate, Jared Vanning.

In a 2025 interview with Cowboy State Daily, Vanning said he believes Uptain contacted him and met him for lunch in Greenville, South Carolina, sometime in 2010. Vanning remembered Uptain arriving on a mountain bike and discussing personal matters, religion and the possibility of studying counseling.

Vanning believed the encounter happened after Uptain had already been reported missing. He also recalled seeing Uptain at church from a distance during the months surrounding that period.

However, this potential sighting must be treated cautiously. The May 2025 report specifically stated that it was not known publicly whether Mills Police had independently interviewed Vanning or verified that the Greenville meeting took place after April 4, 2010. Vanning himself could not remember whether the person who later contacted him about the information was a police officer or a member of Uptain’s family.

Consequently, Casper remains the location associated with Uptain’s official April 4, 2010 disappearance unless investigators establish a later confirmed sighting.

Questions About an Earlier South Carolina Connection

The Greenville account is complicated by records from Mount Calvary Baptist Church in South Carolina. A church staff member told Cowboy State Daily that the church had records indicating Uptain had attended there, but she believed his attendance may have dated to approximately 2008 rather than after his disappearance.

Because memories and dates from events more than a decade earlier can be difficult to reconstruct, the information does not establish a verified post-disappearance location for Uptain. It does, however, provide investigators with another geographic connection potentially worth examining.

Family Continues to Keep Seth’s Memory Alive

Family members have maintained a Facebook page titled Fondly Thinking of Seth Uptain – Missing Person, where relatives have shared photographs, memories and birthday messages.

Cowboy State Daily reported that annual birthday posts have appeared on the page for years. Family recollections describe Uptain as an outdoorsman, mountain biker and a person remembered by friends for his smile and sociable personality.

Those descriptions are significant because people who knew him have questioned whether voluntarily severing every connection with family and friends would have been consistent with his personality.

The Investigation Today

The newest substantial publicly available investigative update located for Uptain’s case was published in May 2025. Detective Kate Acord of the Mills Police Department had taken responsibility for the investigation and publicly appealed for information from anyone who knew Uptain or remembered circumstances surrounding his disappearance.

Police emphasized that even seemingly insignificant information could help investigators reconstruct Uptain’s movements and state of mind.

The case has also continued to receive broader missing-person exposure. The Doe Network announced in August 2024 that Seth Allen Uptain had been added to its database as case 6280DMWY, while current CaseTrace records continue to list him as missing from Casper and identify his NamUs case as 8498.

As of the latest public information reviewed, there has been no announced identification, arrest, confirmed homicide determination or verified explanation for what happened to Seth Uptain.

How the Public Can Help

Investigators continue to seek information from people who knew Uptain before April 2010, encountered him while traveling, remember seeing him after his disappearance, or have information concerning his possible movements toward Colorado, Oregon or South Carolina.

Anyone with information should contact the Mills Police Department at 307-266-4796. The department continues to list that number as its non-emergency contact number, and it is also the number identified specifically for information concerning Uptain’s disappearance.