The right of the people to be secure in their persons, houses, papers,
and effects, against unreasonable searches and seizures, shall not be
violated; and no Warrants shall issue but upon probable cause, supported
by Oath or affirmation, and particularly describing the place to be
searched, and the persons or things to be seized.

Source.

Why are we giving up our freedoms under the false belief that having our personal liberty violated makes us more secure?