I think if Rose had been willing to cough up the 20 mil from the gate + allow her to keep her anonymity, her legal team would've agreed to dead any further legal actions against him in a heart beat, prob keep it under wraps too. She seems more interested in getting paid than fukkin over Derrick's life imo (or they would've been pushed for a criminal charge), but the issue seems to be Derrick is stubborn as hell playin hardball. And so now her legal team is returning the favor. By putting out there's a criminal investigation, that then means she could possibly still keep her anonymity thru the duration of the civil case, even if she doesn't really plan on pursuing a criminal case once the dust settles.
But of course, as a result of that tactic, the very idea or perception that there's a pending criminal investigation now just makes derrick look that much worse. Just messy as fukk