Houston Woman Charged With Murder Claims Self-Defense

Ana Trujillo allegedly stabbed her boyfriend to death with her stiletto heel.
3:00 | 03/31/14

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Transcript for Houston Woman Charged With Murder Claims Self-Defense
headline grabbing murder trial in Houston. The defendant is accused of stabbing her boyfriend to death with her stiletto heel. . Reporter: Her lawyer claims there is much more to this situation which he intended to show this court starting today. This morning, Anna Trujillo will walk into court for opening statements. The 45-year-old accused of brutally murdering her on-again, off-again boyfriend, among other things, striking him with her high-heeled shoe. She called 911 shortly before 4:00 A.M. On June 9th. They say she answered the door covered in blood. Inside they say they found 59-year-old Anderson, a medical researcher at the urt of Houston in a hallway and her stiletto right next to him. He appeared to have ten puncture wounds to the head and 15 to 20 along his face, arms, and neck. Reporter: According to police, the couple got into a fight at a nightclub after another man offered to by Trujillo a drink. The fight later continued at Anderson's apartment. Prosecutors allege Trujillo tried to stop him from breathing by applying pressure to his neck. Trujillo, a mother of two and out on bail is pleading not guilty. Stephen Anderson grabbed her. They started wrestling. He got her into a hold. Reporter: Her lawyer is hoping to put her on the stand. I'm going to have limited time to try to get a jury to understand that though she's had problems in the past, she's a kind person at heart. Reporter: If convicted, she could face from five years to life in prison. Her lawyers say the evidence will show she was abused many times in the past. The key is where the she was just field to exercise that force on him that night. So much said about the fact that the weapon is a stiletto. How much legal significance is there? A lot for the defense. We're not talking about a gun. A knife. We're talking about an item that someone has around, sitting around. Her claim is that she needed to grab it to defend herself. I think that will be an integral part of the defense. Prosecution says a lot for than a stiletto was used. They say that after the attack, and again, they say this was an attack. Not self-defense, that he was smothered, so this was not just an attack with the stiletto in self-defense. There was more to it. She prevented him from breathing. If that's the case, that is crucial. If they can show this is not just an attack with the stiletto, that he was smothered or strangled or something like that, it changes the entire dynamic of the case. You just heard her lawyer saying they're going to put her on the stand. Do you think that's a good idea? It's risky. The case will come down to her testimony. The case will come down to, do the jurors believe her? Or not? So, if she could be a good witness, absolutely. If she could be a problematic witness, this could be the defining moment that leads to a conviction. It will be an incredibly important moment. I'm surprised that the defense attorney is promising that so early. I might have waited, see how the case goes, then make the decision. Right out of the gate. Thank you, Dan. We turn to an outrageous

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

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