Five enchanting facts about the American Secret Service you may not be knowing.

They hide one member of the government in an underground bunker atop the hills when others in the top brass are together.

They assign code names to the president and family.

They avoid dark glasses in the open to have a clear vision of everything.

They were formed to tackle financial bunglings and fraud, not to save the president.

They came into force the day Abraham Lincoln was murdered.

You better be careful!