To a point, but it's spot checks at best; a state actor has full access to the wide range of explosive compounds, surely there's some that wouldn't be detected (or that can be handled and packaged in such a way that it doesn't get detected)?
The explosive scanning is the thing where they pull some people out of line and run a wand over you and your gear, then put it into a machine and wait a few seconds for the analysis.
To a point, but it's spot checks at best; a state actor has full access to the wide range of explosive compounds, surely there's some that wouldn't be detected (or that can be handled and packaged in such a way that it doesn't get detected)?