What arguments might be made against. the exclusionary rule

Harmless error rule, a rule stating that an error made by the trial court

fruit of the poisonous tree doctrine, doctor holding that once the primary evident is shown to have been unlawfully obtained

silver platter doctrine, a doctrine that applied in federal courts from 1914 to 1960 under which evidence of a federal crime that had been illegally obtained. by state officers

favor, to deter police misconduct is what kind of argument of the exclusionary rule

against, to make society pay for an officers mistake is what kind of argument.