Evidence seized by police officers who are proceeding on a warrant for violate the knock and announce role will be subject to the exclusionary rule?

Yes, evidence seized by police officers who violate the "knock and announce" rule while executing a warrant may be subject to the exclusionary rule. This rule prohibits the use of evidence obtained in violation of a suspect's Fourth Amendment rights. If the violation is deemed to have a direct impact on the seizure of evidence, it can lead to that evidence being excluded from trial. However, courts may consider the specific circumstances of the case, including whether the violation was willful or whether it compromised the integrity of the evidence obtained.