It's because of such rules the police won't enter your home without a warrant. If they did so, and found evidence of a crime - it would be thrown out. These r

It's because of such rules the police won't enter your home without a warrant. If they did so, and found evidence of a crime - it would be thrown out. These rules exist to make sure the police have no incentive to enter your home unless they have a warrant (or evidence of a crime in progress) It protects the population at large from an unrestrained law enforcement system from intruding upon you in a multitude of ways.