Right. A good counter to this would probably be requiring law enforcement to submit a report of all evidence, admissible and inadmissible, with a report of how

Right. A good counter to this would probably be requiring law enforcement to submit a report of all evidence, admissible and inadmissible, with a report of how it was found. If that's done, the only obstacle left would be corruption and deliberate lack of fidelity (a big only, but still an improvement).