I wasn't focusing on what's technically illegal. I just don't want the conversation mixing up police with citizen surveillance. The admissibility of evidence i

I wasn't focusing on what's technically illegal. I just don't want the conversation mixing up police with citizen surveillance. The admissibility of evidence in court sounds like an issue related to minor details in the implementation of recording technology at the user end. But the final link that is really impactful is when citizens cooperate with police.