it doesn't need to be a MITM. He was called in a land line. The caller could just have pretended to hangout and faked tones when the author called back. I'm n

it doesn't need to be a MITM. He was called in a land line. The caller could just have pretended to hangout and faked tones when the author called back. I'm not saying that is what happened, but it's way easier than a real 411 MITM.