Jodi Arias Murder Trial: Former Boyfriend Takes Stand

The defense called its first two witnesses in the trial of the woman accused of killing her ex.
2:16 | 01/30/13

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Transcript for Jodi Arias Murder Trial: Former Boyfriend Takes Stand
All he wants is a new puppy. But first, to the latest in the breakup murder trial. Jodi arias' defense team calling their first two witnesses on tuesday, including one of her ex-boyfriends. Did his testimony them defense or the pros kus? Owens has the latest. Reporter: Is the jodi arias seen here a kind, gentle soul pushed too far by an abusive boyfriend? Or a calculating stalker who killed that boyfriend in a jealous rage? On day one of her ariass' attorneys called a boy she dated before she dated alexander. I knew jodi because we were in love. Reporter: He didn't want his face shown publicly. But darryl brewer said he dated the much younger arias for four years. The divorced dad says she was great with his son. Jodi was a responsible, caring, loving person. Did you ever see jodi act jealous towards women you came in contact with? No. Reporter: But on cross-examination, brewer may have done damage to her case. He told the prosecutor arias took a nude picture of him in the shower. Remember, she snapped these pictures of travis alexander in the shower seconds before prosecutors say she started stabbing him. He testified arias visited him the day before the murder and borrowed two of his fwas cans. And she made more than one call for the gas cans to make a trip to arizona, didn't she? Yes. Reporter: He says she filled up the chance in california so she could make it to alexander's house in arizona and commit murder leaving any tracks. Prosecutors say that shows premeditation. One reason they believe she deserves the death penalty. 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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