Tennessee inmate convicted of rape, murder of child executed by lethal injection

WATCH: Billy Ray Irick executed inside Nashville prison

NASHVILLE, Tenn. — Billy Ray Irick has been executed, according to officials.

Irick was killed via lethal injection at Riverbend Maximum Security Prison in Nashville.

His execution was "carried out" at 7:48 p.m.

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According to witnesses, Irick's last words came around 7:27 p.m.

Irick said, "I just want to say I'm really sorry. And that, that's it."

Shortly after, officials said he stopped breathing. Family of the victim witnessed the execution, but were unavailable for comment afterwards.

Watch the press conference below, as officials provided an update. 

INMATE EXECUTED: Billy Ray Irick, the Tennessee inmate convicted of child rape and murder, has been executed. Officials are giving an update on the lethal injection. FULL STORY: http://bit.ly/2KFQGwA

Posted by FOX13 Memphis on Thursday, August 9, 2018

The U.S. Supreme Court denied a “stay of execution” for Irick.

Irick, 59, was convicted of the 1985 rape and murder of a 7-year-old Knoxville girl.

He was on death watch ahead of his execution since Wednesday, according to the Tennessee Department of Correction.

His execution was set for 7 p.m. Thursday.

A local attorney had made a last-minute push to delay the execution, citing Irick’s long history of mental illness.

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Also, Attorney Michael Working told FOX13 the lethal drug concoction used has never been tested and could cause Irick pain before death.

“They are obviously concerned about their client facing an execution with such severe mental deficiencies and mental health problems, especially when that was presented to the original jury in this case," Working said.

However, one Supreme Court justice disagreed with the decision.

Irick also selected his final meal before the lethal injection: A Deluxe Combo, including a deluxe burger with onion rings and a Pepsi.