Supreme Court Rulings That Exclude Evidence for Violations of the Fourth

Supreme Court rulings that exclude evidence for violations of the Fourth Amendment protections against unreasonable searches and seizures:

A) require that all evidence illegally seized always be suppressed.
B) do not require that evidence should be suppressed if the prosecutor wants to use it.
C) are not applied when the police violate the knock-and-announce requirement of the Fourth Amendment, as a general rule.
D) are always applied when the knock-and-announce requirement of the Fourth Amendment is violated.