Air Force Security claims no complaints have been received by agencies which bought the detector
A Pakistani government agency has built and sold more than 15,000 of the so-called "Khojis" bomb detectors
Bombs and their carriage and detection are a concern for everybody
Officials concede device does not help stop attacks as experts debunk its science
More than 15,000 of a new variant of the handheld device have been made in Pakistan to guard high-value facilities