(A) Return. The jury must return its verdict in open court.(B) Several Defendants. If two or more defendants are jointly on trial, the jury at any time during its deliberations may return a verdict with respect to any defendant as to whom it has agreed. If the jury cannot reach a verdict with respect to any other defendant, the court may declare a mistrial as to that defendant.(C) Several Counts. If a defendant is charged with two or more counts, and the court determines that the jury is deadlocked so that a mistrial must be declared, the court may inquire of the jury whether it has reached a unanimous verdict on any of the counts charged, and, if so, may accept the jury's verdict on that count or counts.(D) Poll of Jury. Before the jury is discharged, the court on its own initiative may, or on the motion of a party must, have each juror polled in open court as to whether the verdict announced is that juror's verdict. If polling discloses the jurors are not in agreement, the court may (1) discontinue the poll and order the jury to retire for further deliberations, or (2) either (a) with the defendant's consent, or (b) after determining that the jury is deadlocked or that some other manifest necessity exists, declare a mistrial and discharge the jury.