FBI tests show the new terror devices can evade sophisticated screening apparatus in common use at airports worldwide and approved by the Transportation Security Administration.
Moreover, would-be bombers have gotten their hands on screening machines so they can test them in advance.
Feds fear terror groups developing laptop bombs that evade airport security
U.S. intelligence sources suggest ISIS and other terrorist groups can build laptop bombs capable of slipping past airport security scanners, Fox News has learned.
That intelligence is behind the recent decision to ban electronics in carry-on bags from flights to the U.S. from 10 airports in eight Muslim-majority countries, Fox & Friends reported Saturday.