Marathon Last Day of Testimony In Arias Trial

Closing arguments are set to begin in the Arizona murder trial.
2:04 | 05/02/13

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Transcript for Marathon Last Day of Testimony In Arias Trial
the latest on the jodi arias testimony. It has concluded. Ahead, instructions from the judge closing arguments from both sides and then, of course, the jury will begin deliberating as early as this weekend. Abc's ryan owens has the very latest as the trial heads into its final act. Reporter: Even the woman on trial for her life struggled to stay awake on the final marathon day of testimony. The last witness didn't finish until almost 9:00 at night. I wasn't sure if you switched topics or we were still on -- no, we're done with tigers and bears. Reporter: The testimony bordered on the bizarre as two psychologists, neither of whom ever met or talked to jodi sparred about what drove the 32-year-old to shoot and repeatedly stab her ex-boyfriend travis alexander and make up so many stories. The whole truth and nothing but the truth so help you god. I do. Reporter: The defense hoped this neuropsychologist would convince the jury that arias was a battered woman who killed in self-defense but what they might remember most is that he spilled water not once, but twice all over the witness stand. Sorry about that. I was doing so well. Reporter: While this real-life drama drags on, hollywood can't wait. The lifetime channel has already started shooting the tv movie "dirty little secrets: The jodi arias story." The lead actors look strikingly similar to the victim and to his killer. Travis svralexander is working his magic. Reporter: They too are riveted by the trial and waiting for their story to finally have an ending. The fact that the trial is still ongoing actually makes me care more about the story. It'll be interesting to see if the trial is ended by the time we finish the movie. Reporter: The real courtroom drama resumes later this morning with closing arguments. Finally. For "good morning america," ryan owens, abc news, phoenix.

This transcript has been automatically generated and may not be 100% accurate.

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