Published：Jun 1, 12:28Last updated：Jun 2, 11:31

Missing Scientist Found Dead in New Mexico

Jun. 1, 2026 12:28

Human remains discovered by a hiker in New Mexico have been identified as Melissa Casias, who went missing nearly a year ago. Casias was last seen walking along a state highway after dropping her husband at their Los Alamos laboratory in June 2025. The discovery brings closure to her family, though the circumstances surrounding her disappearance remain unclear.

Summarized

8News

8Media

Jun. 2, 2026 09:51

The FBI is investigating the disappearance of nuclear lab worker Melissa Casias, which is linked to a series of missing person cases involving US scientists. These incidents have sparked internet conspiracy theories. The case remains unresolved as authorities continue their probe.

Jun. 2, 2026 11:31

New Mexico police identified the remains of Melissa Casias, a missing nuclear scientist from Los Alamos National Laboratory. The cause of death remains undetermined. Casias was one of 11 scientists who disappeared under mysterious circumstances since 2023.

The remains of Melissa Casias, a Los Alamos National Laboratory employee missing since June 2025, have been identified in Carson National Forest, bringing partial closure to a year-long mystery. The 53-year-old nuclear researcher was last seen walking along a state highway after dropping her husband at work, with her disappearance becoming part of broader speculation about missing US scientists. The Independent+2

🔍 Discovery Details

A hiker discovered human remains alongside a handgun in the remote forest area, which were later confirmed through forensic analysis to belong to Casias. New Mexico State Police announced the identification over the weekend, though the cause of death remains undetermined. The location was near her last known whereabouts in Los Alamos County. RIA Novosti+1

🕵️ FBI Investigation

The case has drawn FBI involvement due to connections with at least 10 other unexplained disappearances of American scientists since 2023. Authorities are examining potential links between these cases, which have fueled online conspiracy theories about targeted attacks on nuclear researchers. No arrests have been made. The Age+1

🧪 Scientific Community Impact

Casias worked at the prestigious Los Alamos facility, which conducts classified nuclear research. Her disappearance and subsequent death have raised security concerns among laboratory staff and prompted internal reviews of safety protocols for employees. Colleagues describe her as a dedicated materials scientist with no known personal conflicts. The Guardian+1

FBIMelissa CasiasCarson National ForestNew Mexico State PoliceLos Alamos National Laboratory