In "United States v. Leon" the court established that illegally obtained evidence may be admissible if the police were truly not aware they were violating a suspect's Fourth Amendment rights. In this case, the police were following up on a tip from an unreliable informant, which later invalidated the warrant. This exception is called the?
This exception was introduced by the Supreme Court in the case U.S. v. Leon, and it allows to submit evidence obtained by a deficient searh warrant only if the officer acted in "good faith".