They have to discover it first.
An instructor once told me "Are they frisking you or making you walk through metal detectors? What's worth more, your life or your job, you can always find another job".
Just food for thought.
Just as I stated in a post about CCW triggers - it is all about risk analysis.
I work from home and am always armed as my wife once said that she would never divorce. Then followed up by saying beating the murder charge would be easier...I think she was joking?