In Part 1 of this episode McGarrett clearly says his nephew is 12 months old. In part 2 here he clearly says 6 months old.
When McGarrett and Zipser leave court, it is pouring rain. Zipser even opens his umbrella. When they get to his car, all the windows are down.
The defendant (Dr. Fremont) stands up from the witness chair, without being excused by the Judge. She proceeds to speak at length to the Jury, taking the position of an Expert Witness in educating said Jury. The prosecutor would have objected to this; the Judge would never have allowed it.