The Fourth Amendment to the U.S. Constitution provides that: "The . . . constitutional prohibition against unreasonable searches and seizures, has its source in that principle of the common law which finds expression in the maxim that 'every man's house is his castle.' English history discloses [that the] . . . constitutional provisions . . . had their origin 'in the . . . unwarrantable intrusion of executive agents into the houses . . . of individuals . . . .'"