I need to deliver an extremely personal voice-mail but I also need it to be anonymous...

So I was given a recording that proves my long-time friend is being cheated on by her husband, who is also a police officer. I'm sort of afraid of the guy, to be honest, and she already suspects infidelity but hasn't had the solid proof that I obtained. Is there a possible way to deliver this to her voicemail... not only anonymously but also so it can't be traced back to me, which is why I mentioned him being a …

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