Fourth Amendment, FRCrimP
No plain error in a court's declining to give preclusive effect in the same proceeding to a pretrial determination of another court's finding of lack of probable cause for a search.
https://www.cadc.uscourts.gov/internet/opinions.nsf/14051A07C66684D585257F41006AF4AC/$file/13-3031-1594913.pdf
Since 2011. An occasional commonplacing of the U.S. Circuit Courts of Appeal.
Neither an authoritative statement of the law nor legal advice. Quick work.