Just catching up did anyone notice this nugget?

Danik said the only investigative challenge is that some documents assembled by the private investigators are marked as attorney-client privileged and federal agents might need special permission to use them.

“Given that [special counsel Robert] Mueller got the OK to investigate Michael Cohen and his attorney-client communications with President Trump, I imagine that hurdle could be overcome under the crime-fraud exception,” he said.

Notice the mention of Mueller? Is Mueller looking into CF too?