The main purpose of the exclusionary rule is
to
a. deter police misconduct.
b. prevent people who are clearly guilty from going free.
c. allow certain kinds of "tainted" evidence to be used in court.
d. allow for honest mistakes by police officers.
The main purpose of the exclusionary rule is to prevent illegal search and seizure in relation with criminal cases. This rule also prevents police and lawyers from using evidence that violates the Constitution.
