> "So you're fine with money laundering as well?"

Is this your best effort attempt at assuming good faith?

> "parallel construction is inadmissible evidence laundering."

Well, it's concealing a source, which is what I said. If you have an informant who's life would be in danger if they were revealed, then anything they tell you would have to be paralleled. There's nothing illegal about their evidence, they would just never testify to it.