Why do secret service people always wear dark glasses?

Question

Why do secret service people always wear dark glasses?

Answer 1

maybe they are not feeling well...

:/

Answer 2

To keep the sun out of their eyes and so you can't tell where they are looking.

Answer 3

I really think it adds to their high profile in a crowd.

Answer 4

everybody looks better in dark glasses!!!

Answer 5

To keep the sun out of their eyes so they can see.

Answer 6

Dramatic effect

I dunno, lol

Answer 7

Some say its because they are really robots. I kind of believe this theory.

Answer 8

The real answer is so you cannot tell who they are looking at.  This way an assassin cannot wait until he see they are looking elsewhere before he acts.