On 09/19/2018 07:08 PM, nospam wrote:
In article , me
wrote:

Cameras and camcorders (owners should not load film prior to entering
the show area as they may be required to open all compartments at
Security Checkpoints).

just how much explosives do they think can fit inside a mirror box?


While explosives would be a threat, a more serious one would be a
biological weapon. And that could be fairly small- possibly the size of
a medium telephoto lens.

--
Ken Hart