Cooperation agreements and plea agreements are separate and independent promises by criminal defendants to: (1) assist the Government in the prosecution of another person and (2) plead guilty. A defendant’s breach of one should not affect the Government’s obligation to perform under the other. All too often, however, these agreements are inappropriately intertwined so that a minor breach of the plea agreement relieves the Government of its obligation to move for a downward sentencing departure in recognition of the defendant’s substantial assistance. This intertwining undermines sentencing policy as set forth in the federal sentencing statute. Thus, a district court should continue to consider a defendant’s substantial assistance when imposing a criminal sentence even if a breach of the plea agreement alleviates the Government of its duty to move for a sentence reduction under an intertwined cooperation agreement.