Richard Kenneth Djerf's execution this week was the fourth in the country this week. Arizona Department of Corrections, Rehabilitation and Reentry/AP Florence, Arizona AP —

A man convicted of killing four members of a Phoenix family over 30 years ago in an act of revenge over stolen goods was put to death Friday in Arizona’s second execution of the year .

Richard Kenneth Djerf, 55, died by lethal injection for the killings of Albert Luna Sr. and Patricia Luna; their daughter Rochelle Luna, 18; and son Damien Luna, 5, at their home on Sept. 14, 1993. Djerf, who was in prison for over 29 years, chose not to seek clemency.

His execution was the fourth in the country this week and the 39th of the year.

“Those four innocent victims deserve justice, and their loved ones deserve

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