Jodi Arias Testifies Ex Assaulted Her, Broke Her Fingers

The woman who is accused of killing her ex-boyfriend continues her testimony.
2:05 | 02/12/13

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Transcript for Jodi Arias Testifies Ex Assaulted Her, Broke Her Fingers
But we begin with the breakup murder trial. Jodi arias was on the stand again yesterday, with another new charge against her victim. This time, she said her ex-boyfriend once assaulted her and broke her finger. The big question, will the jury believe her? Ryan owens has the latest. Can you hold up your hand for us to see? Reporter: Jodi arias' crooked finger. She says it's evidence her boyfriend, travis alexander, abused her. I put my hand up to block his foot. And it clipped my hand. And hit my finger. Reporter: Although the serial liar now on trial for his murder, admits she never went to a doctor and never called police. I definitely didn't want him to get in trouble. Reporter: Convincing this jury she was abused, even though there's no corroborating evidence, is key to the 32-year-old's claim she was forced to kill alexander in self-defense in june of 2008. You don't think it would end up like this. Reporter: On her fourth day on the stand, arias' father and younger brother were in court for the first time. They watched her tearfully detail several instances of alleged sexual and physical abuse. He pushed me down on the ground, in his bedroom. He wanted me to stay. I guess he could finish yelling at me. Reporter: Arias testified after one fight, she considered suicide. I didn't have lot of self-esteem at that time. And I just -- I was kind of a doormat. Reporter: But the prosecutor points out, arias kept going back to alexander. It was several months later, she repeatedly stabbed and shot him. And she never accused him of anything until she was facing the death penalty. Alexander's siblings were visibly angry as jodi arias' testimony seemed to turn her into one of the victims. They said she killed their brother and is ruining his good name. They're waiting for cross-examination. 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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