Yes, this sounds like agreeing to a police interview without your lawyer present -- there's almost no chance that it will help you (are they going to hear "Alex

Yes, this sounds like agreeing to a police interview without your lawyer present -- there's almost no chance that it will help you (are they going to hear "Alexa, tell this person who is not James to stop murdering me"?) and basically any audio they hear that's not someone else confessing to the crime can be used against him in court.