It depends on the jurisdiction for recording convo- some places are 1-party consent so only 1 person needs to know it's being recorded, some require everyone to be aware.
But that's for phone calls or private convos. If you're mic'd in a TV studio with a bunch of crew around there's no reasonable expectation of privacy, it's 100% legal to record, publish or admit to court as evidence.
Its only illegal if it's used in court.
It's perfectly legal to take a stolen recording and use it to discredit someone.
No.
It depends on the jurisdiction for recording convo- some places are 1-party consent so only 1 person needs to know it's being recorded, some require everyone to be aware.
But that's for phone calls or private convos. If you're mic'd in a TV studio with a bunch of crew around there's no reasonable expectation of privacy, it's 100% legal to record, publish or admit to court as evidence.