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Lisa Troemner is accused of killing her boyfriend more than three years ago. She faces a charge of second-degree murder. If convicted, she could face up to life in prison. Vonna Keomanyvong/Naples Daily News

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The trial against a Marco Island woman accused of fatally stabbing her boyfriend continued Tuesday with a state rebuttal witness testifying that text messages exchanged between the couple throughout their relationship did not indicate the woman was abused by him.

Lisa Troemner, 27, faces a second-degree murder charge in the killing of Trevor Smith.

Troemner is accused of stabbing Smith during an argument in December 2014 in the condo they shared.

Judge Christine Greider admitted the text messages into evidence after ruling they were not hearsay and might suggest the tone of the couple’s relationship was different from what had been described by defense experts.

A forensic technologist extracted the equivalent of 1,100 pages of text messages from Smith’s phone.

The state’s rebuttal witness, clinical psychologist and professor Dr. Michael Herkov, reviewed about 200 pages of text messages exchanged between Smith and Troemner for his testimony.

“All we’ve heard about Trevor Smith has been pretty rough stuff, and we’ve only heard about him from the person accused of killing him,” Herkov said. “The texts are communications between them that give a flavor of their relationship.”

Herkov said he also reviewed the 911 call from the day of the killing, recordings of Troemner’s interviews with detectives, witness statements and conducted his own interview with Troemner.

The text messages, he said, were “the most important” pieces of evidence he reviewed.

The jury saw a few of the text message exchanges that were pertinent to Herkov’s arguments.

Herkov testified that none of the evidence indicated Smith was abusive or controlling toward Troemner. The expert testified it was the opposite, that at times Troemner belittled and tried to control Smith.

Troemner also had shown acts of aggression toward her boyfriend, Herkov testified. He referred to an incident at a wedding in West Palm Beach when Troemner was angry with Smith and extinguished a lit cigarette on Smith's forehead.

Troemner’s defense attorney, Donald Day, has argued his client acted in self-defense and suffers from battered spouse syndrome, a condition that victims of domestic violence develop after prolonged abuse.

Herkov rejected the battered spouse syndrome defense, saying the condition isn’t a diagnosis because it is not listed in the Diagnostic and Statistical Manual of Mental Disorders, or DSM, the authoritative guide for the diagnosis of mental health disorders.

Some of the diagnostic elements of battered spouse syndrome and domestic violence are severe chronic abuse, an inability to leave the relationship, irrational jealousy, body shaming, intimacy issues and fear of angering the accused batterer.

Herkov referred to some of the text message exchanges to testify to jurors that Troemner’s allegations of abuse were contrary to the reality of her relationship with Smith.

In some of the text messages that indicated Troemner and Smith were arguing, Troemner at times had harsh words for Smith, while Smith was trying to placate Troemner.

In one set of text messages, Smith apologized to Troemner for running late at a sporting event.

“She’s very upset with him about the game running late,” Herkov testified. “He tells her, ‘Can you please stop being upset with me? I love you more than words can describe.’ ”

In that exchange, Troemner messaged Smith to “grow the (expletive) up” and “I don’t even know if I can love you any longer.”

In another group of text messages, Herkov said that based on the context of the conversation, Smith thought Troemner was being “mean” to him.

Smith sent her a text saying, “You can be as mean to me as you want. I did nothing wrong. I love you. I hope you know I am in love with you.”

Herkov testified that in some of the text message exchanges, Troemner threatened to leave Smith. He said if Smith were a batterer, being threatened would have enraged him and he would have belittled and behaved aggressively toward Troemner.

The only time Smith was aggressive toward Troemner, Herkov said, was the night she kissed another man at a bar.

“Here, he’s very upset and a little sarcastic with her,” Herkov testified.

Herkov said Smith sent Troemner a text saying, “Get ready for a fight if you’re with some (expletive).”

Herkov testified Troemner at times showed signs of jealousy when Smith spent time with friends.

In one of the final text message exchanges shown to jurors, Troemner made a remark about how she didn’t like that Smith went out Saturdays when she had to work.

Smith replied, “OK. From now on when you work on Saturday I’ll just lock myself at home til you get off. It’s only fair.”

More: Defense experts: Lisa Troemner suffers from battered spouse syndrome

More: Friends of stabbed Marco man testify his girlfriend was angry, 'jealous'

More: Friends counter testimony that man stabbed on Marco was violent

More: Lisa Troemner in defense: 'I thought that he was going to kill me'

Check back on naplesnews.com for updates.

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