Jodi Arias Defense Rests: Prosecution Starts Rebuttal

Prosecution's witness testified Arias has a disorder characterized by intense, inappropriate anger.
2:56 | 04/17/13

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Transcript for Jodi Arias Defense Rests: Prosecution Starts Rebuttal
After 38 days and 10 witnesses, jodi arias' defense rested its case tuesday. The prosecution getting its turn again calling an expert witness who punched holes in arias' testimony and ryan owens is in phoenix with that. Good morning, ryan. Reporter: Good morning, amy. The prosecutor has now started what's called his rebuttal case and he wasted no time attacking jodi arias and those expert witnesses who tried to explain away her lies. Jodi arias, master manipulator and serial liar who refuses to take responsibility for anything now there's a portrait of the admitted killer the jury hasn't seen in a while. And it's exactly the one prosecution psychologist dr. janeen DeMarte came to court to paint. People with this personality profile tend to experience a lot of aggressiveness, hostility, defensiveness. Reporter: Demarte spent a dozen hours with her in jail and diagnosed her with a personality disorder. She knows exactly what happened when she shot and stabbed her ex, travis alexander but is incapable of taking blame. They tend to externalize blame. Reporter: Arias told the jury she killed alexander in self-defense, that she is a battered woman even though she never reported that to police or family. There did not appear to be significant abuse. Reporter: Dr. Demarte believes it's just another lie and just as tough on those two psychologists who testified for the defense. First dr. Richard samuels, who diagnosed arias with ptsd. Even though she lied on the test he administered claiming strangers killed alexander. That would absolutely invalidate the test. Reporter: She didn't think MUCH OF alyce LaViolette either and she spent too much time with arias and seemed sympathetic. It would bias your results and make you sway more in finding things that might be more helpful for them. Reporter: The jury looked riveted by demart's no nonsense testimony after hearing the defense case that sometimes meandered aimlessly through 38 long days. An afounding 18 of them with jodi arias on the stand. The prosecution did a pretty good job of discrediting or at least marginalizing the defense's expert witnesses and now this witness is really the final blow. Reporter: Arias' attorneys are already getting their chance to cross-examine this witness. They are portraying her as young and inexperienced. Even suggesting their experts were helping and diagnosing people before she was even alive. Expect more of that cross-examination today.

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

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