A missing Los Alamos National Laboratory employee, Melissa Casias, has now been found dead in the Carson National Forest nearly a year after she vanished. Authorities say a handgun was found near the remains, but the cause and manner of death have not been determined. This comes as the FBI and House Oversight Committee have already been reviewing a broader cluster of deaths and disappearances involving scientists, staff, contractors, and officials tied to sensitive U.S. nuclear, aerospace, and research institutions.