From what it showed on the board all we know so far is that the FBI wants Tyrell for Five/Nine so Dom might use Darlene to try to find him, but I don't think Dom knows about what White Rose and Price are doing... at least not yet.And it might be interesting if Dom is able to flip, or at least force Darlene to be on the FBI's side because so far all we know is that Dom and the FBI know who a lot of the major players are, but there's a distinct difference between knowing who you're trying to stop, and knowing what you're trying to stop them doing.