Search for missing retired Air Force general enters third week as investigators probe new clues

This material may not be published, broadcast, rewritten, or redistributed. ©2026 FOX News Network, LLC. All rights reserved. Quotes displayed in real-time or delayed by at least 15 minutes. Market data provided by Factset. Powered and implemented by FactSet Digital Solutions. Legal Statement. Mutual Fund and ETF data provided by LSEG. Fox News' Claudia Cowan reports on the mysterious disappearance of retired Air Force Major General William McCasland in New Mexico. Authorities are asking for public help to locate McCasland, who was last seen on February 27. Authorities searching for missing retired Air Force Maj. Gen. William "Neil" McCasland are investigating a new development after hiking boots believed to belong to the missing general were discovered at his vacation home, officials said Monday. Investigators said they are still working to determine whether the boots are connected to McCasland’s disappearance, which has now stretched into a third week. During a Monday news conference, the Bernalillo County Sheriff’s Office said there have still been no confirmed sightings of the 68-year-old aerospace engineer, and the Silver Alert issued for him remains in effect. McCasland was l