The prosecution also plans to call a handwriting expert to discuss the difference in ink colors.
The prosecution plans to call its own medical expert to support its case.
On June 24, 2010, the five men were sentenced to 10 years imprisonment; both the defense and the prosecution are planning to appeal.
The prosecution plans to call more than 1,000 witnesses over a yearlong trial.
Next, the prosecution plans to move into a less dramatic but potentially more significant phase of its case.
He has been reviewing 395 documents the prosecution plans to use as evidence in its case.
The prosecution had originally planned to call 22 witnesses.
The prosecution plans to call at least 100 witnesses in the first trial.
But the prosecution plans to offer them in its case against Mr. Nichols himself.
On Thursday the prosecution plans to call a detective as a witness.