Body of Missing Scientist Found in New Mexico

The body of Melissa Casias, a 54-year-old employee from the Los Alamos National Laboratory, has been discovered in the woods of New Mexico. This incident points to a troubling trend: since June 2022, eleven scientists and government workers linked to the U.S. nuclear program have either vanished or died under unclear circumstances. The FBI along with the House Oversight Committee are currently looking into this matter.

Her family is skeptical about the idea of suicide since her body was found next to a handgun. They suspect that foul play might be involved. Melissa was reported missing on June 26, 2025, after disappearing from Taos, New Mexico.

Relatives mentioned on Facebook that the spot where her body was found, in the McGuffey Ridge area of Carson National Forest, had already been searched earlier. The discovery was made by a hiker last weekend, and her identity was confirmed by New Mexico State Police.

As of Thursday morning, the official cause and manner of her death were still not disclosed. Attempts have been made to acquire further information from the local coroner’s office.

In a somewhat cryptic post, the family noted having collected a “mountain of evidence” relating to the case.

Thomas McNally, a private investigator working with the family, remarked that, “you don’t need to be a hunter or scientist to understand that a human body can endure in the elements and remain intact even after a year.”

It seems she was known to have a concealed handgun, but the details regarding its condition and caliber near her body remain under wraps.

While some have made connections to other missing government lab employees, Melissa clarified in communications that she was an administrative assistant, not a scientist. Her tasks involved scheduling maintenance for government vehicles.

On the day she went missing, Melissa didn’t appear for work. Although she visited her daughter, she never returned home. Authorities reported that she left several personal items behind, including her wallet and cell phones.

The Los Alamos National Laboratory, situated about 55 miles northwest of Santa Fe, is one of the 16 Department of Energy labs and employs roughly 14,000 individuals. It was founded in 1943 as part of the Manhattan Project, the initiative that led to the first nuclear weapons.

Efforts for further comment have been made with the laboratory regarding this ongoing investigation.