They probably are using it...

Doesnt help children missing for years or tied up in a house somewhere![]()
can detect your unique heartbeat from several miles away

They use AI and most likely past medical records.seems like they would need your heartbeat on file to find your specific magnetic signature. so i don't see how that would help them find the hundreds of thousands of missing kids every year.
i can't speak to how it really works other than what they said in the video, but the medical details they have on pilots and such is not remotely similar to what's available for us out there. even with their ghost murmur stories they said they trialed it on pilots. so they are definitely collecting a great amount of specific details on these guys that would allow their tech to work. but put it out of a controlled testing environment where you don't have these exact details on the target and it's probably useless.They use AI and most likely past medical records.
i can't speak to how it really works other than what they said in the video, but the medical details they have on pilots and such is not remotely similar to what's available for us out there. even with their ghost murmur stories they said they trialed it on pilots. so they are definitely collecting a great amount of specific details on these guys that would allow their tech to work. but put it out of a controlled testing environment where you don't have these exact details on the target and it's probably useless.
all of this could also be nonsense and disinformation to make everyone think we have capabilities that we really don't and to hide what we really did.
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What is the quantum ‘Ghost Murmur’ purportedly used in Iran? Scientists question CIA’s claim of long-range heartbeat detection
Ghost Murmur was described as a futuristic CIA tool that could detect a heartbeat from vast distances. Physicists say the public story clashes with the basic limits of magnetic sensingwww.scientificamerican.com