In Reid v State of Florida, 42 Fla. L. Weekly D1413a, Reid was charged with murder and attempt murder. In his closing argument, the prosecutor improperly shifted the burden of proof to the defendant by asking jury multiple times to return guilty verdict based upon Reid's failure to call certain witness, who by prosecutor's own admission was equally available to state and apparently had no special relationship to defendant.
The burden of proof beyond a reasonable doubt is solely on the prosecutor. The defense has no burden to prove innocents. When a witness is available equally to both the prosecutor and the defense, even though the defense makes states in its opening that a witness will testify and they do not it is reversible error for the prosecutor to assert the defense has the burden to follow through and call the witness.
Because of this error the court of appeals reversed Reid's convictions and sent the case back to the trial court for new trial.