US contractor linked to nuclear facility reported missing as authorities investigate multiple cases

A 48-year-old government contractor connected to a US nuclear facility has been reported missing in New Mexico, prompting an ongoing investigation by local authorities.

Steven Garcia was last seen on August 28, 2025, leaving his home in Albuquerque. According to police, he was captured on surveillance footage walking away on foot. Authorities noted he may have been carrying a firearm and urged caution.

William Neil McCasland, 68, was last seen around 11am on February 27 near Quail Run Court NE in Albuquerque, the Bernalillo County Sheriff’s Office said

Garcia is believed to have worked as a contractor associated with the Kansas City National Security Campus, a site involved in producing non-nuclear components for national defense systems. Officials have not publicly confirmed details of his role.

Investigation underway

Law enforcement agencies have launched a search operation and are reviewing available evidence, including surveillance footage and personal records. At this stage, authorities have not confirmed any link between Garcia’s disappearance and his professional background.

Similar cases raise questions

Garcia’s case comes amid several other reported disappearances involving individuals with backgrounds in scientific or defense-related fields. However, officials have not established any confirmed connection between these incidents.

Experts caution against drawing conclusions without verified evidence. While some former officials have acknowledged that scientists can be targets of foreign intelligence activities, no direct link has been established in this case.

Steven Garcia was last seen leaving his New Mexico home carrying a gun (Image: New Mexico Dept. of Public Safety)

Other incidents under review

Authorities have also reviewed previous missing persons cases in New Mexico, including individuals connected to research institutions such as Los Alamos National Laboratory. These cases remain under investigation, with no confirmed pattern identified.

Official response

The US Department of Energy and related institutions have not released detailed statements regarding Garcia’s disappearance.

Law enforcement continues to encourage anyone with information to come forward as the investigation remains ongoing.