it could have been fruitful. he did provide what could have been useful information about matters relating to on going investigations being carried out by this office but as cohen ly his decision and declined to provide full information about the scope of criminal conduct in which he may have engaged or had knowledge. indeed cohen only met with the office, the sdny prosecutors about the participation of others in the campaign finance crimes to which cohen pled guilty. cohen specifically declined to be debriefed under uncharged criminal conduct if any in his past. cohen further declined to meet with this office about other areas of investigative interest to successfully cooperate with this office, they must undergo full debriefings that encompass the full criminal history and any and all information about