Today marks one year since Melissa Casias disappeared near Taos, New Mexico, and in recent days her case has only become more mysterious. Her remains were found by a hiker in Carson National Forest last month after she had been missing for nearly eleven months, but instead of answering the biggest questions, the latest developments have left investigators with even more to sort through.
Melissa was a wife, a mom and an administrative assistant at Los Alamos National Laboratory. She was also among several people who worked at or were affiliated with the lab whose disappearances or mysterious deaths had made headlines in recent years, and it wasn't long before people all over the country were following her case.
On Tuesday, the case took another unexpected turn. When Melissa's remains were found last month, authorities also located a handgun nearby. Officials have now revealed that an initial CT scan found no projectile, and they also said no projectile was recovered at the scene. Forensic anthropologists are continuing to reconstruct Melissa's skull, and even though a full autopsy was conducted they are still unable to determine how she passed away.
The day Melissa disappeared didn't seem unusual at first. She dropped her husband off at Los Alamos National Laboratory before driving an hour back home, saying she'd forgotten her work badge. She later stopped by to bring lunch to her daughter, and nothing seemed out of the ordinary. But later that day family would realize something was wrong. She had left her purse, wallet and keys at home, and investigators later determined her cell phones had been reset to factory settings. Surveillance video from June 26, 2025 captured Melissa walking eastbound along Highway 518 near Talpa wearing a backpack. It would be the last time anyone saw her alive. Interestingly enough, when her remains were finally located, it was in an area previously searched.
The newest developments have also prompted Melissa's family to take a different approach in their search for answers. After previously working with a private investigator, they've now retained a New Mexico law firm to represent them. They've also said Melissa's actions that day were completely out of character.
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