None, they all know someone that does it for them.
If you don't know the answer please never invite me to dinner.
You know they're doing it, you just can't catch them at it.
Should it really be a lightbulb?
None. TSA agents only know how to remove clothes putting them on is different matter completely.
2...and don't ask me how they got in there. (My 87 year old grandma just told me this one)
One, only **Glorious Leader** gets access to light bulbs