A married mom who vanished last year may be tied to a string of mysterious deaths and disappearances of US scientists and military officials with access to potentially sensitive information, according to a report. Melissa Casias, who worked with her husband as an administrative assistant at Los Alamos National Laboratory [LANL] — famous for developing nuclear weapons during the Manhattan Project — has not been seen since she dropped lunch off for her daughter in New Mexico last summer. She is one of four high-clearance people who have died or gone missing since June 2025 with connections to UFO-linked retired...