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New Mexico identifies remains of nuclear lab employee missing for a year

death had not immediately been determined. Meanwhile, state police added, the investigation into Casias’s prior disappearance remains ongoing. In a July 2025 [interview](https://www.nbcnews.com/dateline/missing-in-america/melissa-casias-new-mexico-missing-rcna219956?fbclid=IwY2xjawSKhJlleHRuA2FlbQIxMABicmlkETE5blN5RlY1OGJ3WFpVWUxzc3J0YwZhcHBfaWQQMjIyMDM5MTc4ODIwMDg5MgABHs3P5OFgZYXr9JCqdv5KjlFrrUzx19jGMBE2FywwDRzIbVh33rhjpvIEmgLR_aem_2sBNb-7_PZbgJM8gZxK_hA) with NBC’s Dateline program, Casias’s husband

Missing lab worker found dead in New Mexico nearly a year after disappearing

Melissa Casias, an administrative assistant at the Los Alamos National Laboratory, was reported missing last June. Her case was part of wild speculation about a series of deaths and disappearances in the US scientific community

'Missing scientist' cases have stoked wild speculation. For loved ones, the theories are hurtful

deaths might be connected - he would also "probably talk statistically" to squelch conspiracies. The wife of retired Air Force General William Neil McCasland - the highest-ranking and highest-profile of the missing - took to Facebook