A newly released 911 call recording has shed some light on the mysterious disappearance of a retired Air Force general who had ties to UFO and nuclear government programs.
William Neil McCasland, 68, disappeared from Quail Run Court NE in Albuquerque on Feb. 27. After finding his phone on its own, his wife, Susan Wilkerson, called police. Authorities issued a silver alert and expressed heightened concern given his medical condition.
“He’s left his phone. He changed his clothes into I don’t know what. I think he’s on foot,” Wilkerson told police about three hours after he went missing. “All of our cars and bicycles are in the garage.”
McCasland held several high-ranking leadership roles in science, technology and space research for the U.S. Air Force, including the National Reconnaissance Office.
He also served as a leader at the Kirtland Air Force Base in New Mexico and as the former commander of the Kirtland Phillips Research Site and Air Force Research Laboratory.
“Due to his medical issues, law enforcement is concerned for his safety,” the Bernalillo County Sheriff’s Office said. Sheriff John Allen said in a press release that his office’s “priority is finding Mr. McCasland safely,” adding that “our investigators and search teams are working continuously, and we’re coordinating closely with our local, state, and federal partners.”
Wilkerson told 911 operators she was concerned that it appeared he left his things dilberately.
“He turned it off and left it behind which seems kind of deliberate because he’s always got his phone,” she explained. “He has a smartwatch. I don’t know if that’s with him or not.”
She went on to say that her hudband left with a .38 revolver and had been seeing a doctor for physical and mental problems before he left.
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She also told the operator that the 68-year-old was struggling from a lack of sleep and revealed that McCasland feared his brain was “deteriorating.”
McCasland is still missing.
Tennessee Rep. Tim Burchett told WABC radio in New York that McCasland was a key figure in America’s research into UAPs.
“He’s the guy that had a lot of nuclear secrets. I’ve been told by several sources that he was the gatekeeper for the UFO stuff,” Burchett said.
His dissapearance follows others from the Kirtland Air Force Base, which has close ties to the Los Alamos National Laboratory and where McCasland was once stationed.
In 2025, three other people connected to the base went missing as well. That included NASA aerospace engineer Monica Jacinto Reza, who was supervised by McCasland while she was working on the creation of a new metal for advanced missile and rocket engines.