Victim's brother testifies in Jodi Arias case

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Jodi Arias appears for the sentencing phase of her trial at Maricopa County Superior Court in Phoenix, Wednesday, May 15, 2013. The same jury that convicted Arias of murder one week ago took about three hours Wednesday to determine that the former waitress is eligible for the death penalty in the stabbing and shooting death of her one-time lover in his bathroom five years ago. (AP Photo/The Arizona Republic, Rob Schumacher, Pool)

PHOENIX (AP) — The jury deciding the fate of Jodi Arias has heard dramatic and emotional testimony from the brother of the man she murdered.

Steven Alexander described the emotional and physical anguish he's suffered since losing his brother Travis Alexander in 2008, including ulcers, a separation from his wife and nightmares.

He emphatically told the jury: "I don't want these nightmares anymore. I don't want to have to see my brother's murderer anymore."

The defense and prosecution on Thursday delivered arguments to jurors on whether Arias should get a life sentence or be executed, as the case's penalty phase opened in a Phoenix courtroom.

The same jury convicted Arias of first-degree murder last week.