WOWSA! So how did the lawyers know she couldn’t read cursive? Brilliant detective work on their part to find something so simple to impeach the witness.
Has the defense asked who wrote the letter for her?
The defense prefaced handing/showing the letter with "written FOR you by Francine Serr/Serf (?)" and the witness agreed that was who wrote the letter for her. (From the video at post #230.)