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Identification of remains
Human remains discovered in Carson National Forest last month have been confirmed as those of Melissa Casias, a Los Alamos National Laboratory employee who vanished nearly a year ago, New Mexico state police announced.
Discovery and investigation
A hiker notified authorities on 28 May after spotting the remains in a previously searched area of the forest. A handgun was also recovered near the site.
While the New Mexico Office of the Medical Investigator has positively identified Casias, 53, the cause and manner of her death remain undetermined as the investigation continues.
Family responds
Casias' family expressed their grief in a Facebook statement, saying, "This is a lot to process, our hearts are heavy and we fully intend to continue to pursue answers for justice."
Background of disappearance
Casias, an administrative assistant at Los Alamos National Laboratory, was reported missing on 26 June after failing to arrive at work or return home following a visit to her daughter. Authorities noted that her personal belongings-including her purse, identification, and cell phones-were left behind, raising immediate concerns.
The laboratory, a hub for defensive nuclear research and the birthplace of the world's first atomic weapons during World War II, has been central to her case.
Conspiracy theories and scrutiny
Casias' disappearance became a focal point in a broader online conspiracy theory earlier this year, which alleged a pattern of deaths and disappearances among U.S. scientists. The theory suggested these incidents were connected to their professional work.
The speculation gained traction, prompting investigations by the FBI and the U.S. House Oversight Committee. President Donald Trump even weighed in, calling the cases "pretty serious stuff."
However, family members of those involved have dismissed the claims as baseless. One researcher's death was attributed to heart disease, while another died by suicide after personal tragedies. In a separate case, a neighbor faces murder and burglary charges in the death of Carl Grillmair.
"I think it's absolute nonsense. I mean, there's the facts, and they're out there."
Louise Grillmair, widow of Carl Grillmair
Relatives of others caught in the conspiracy theories have called the rumors "disgusting," saying they only deepened their grief.
Broader context
The conspiracy theory grouped together individuals from diverse fields, including a retired Air Force general, an engineer, a custodian, and an MIT physics professor whose murder by a former classmate drew widespread media attention.
