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Lawyers to begin making case to spare Jodi Arias' life

PHOENIX - Lawyers for Jodi Arias will begin making their case Thursday that the convicted murderer should be spared the death penalty for the brutal 2008 killing of her former boyfriend.

WATCH: 48 Hours: "Unraveling the lies of Jodi Arias"

Prosecutors spent about a week portraying Arias as a callous killer who attacked former boyfriend Travis Alexander in a jealous rage after the victim wanted to end their affair and planned a trip to Mexico with another woman.

Arias has acknowledged killing Alexander but claimed it was self-defense after he attacked her.

Last year, a jury convicted Arias of murder but deadlocked on whether she should be sentenced to life in prison or death.

A new jury was picked for the purpose of determining her sentence.

The sentencing retrial is expected to last until mid-December.

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