TALLAHASSEE, Fla. — TALLAHASSEE, Fla. (AP) — Donna Adelson, the matriarch of a wealthy South Florida family who was convicted in the hired killing of her former son-in-law, was sentenced Monday to life in prison for her role in the 2014 murder-for-hire of Daniel Markel.

A prominent Florida State University law professor, Markel was locked in a bitter custody battle with his ex-wife, Adelson’s daughter, when he was gunned down in 2014 at his home in Tallahassee.

Adelson, 75, was found guilty last month of first-degree murder, conspiracy and solicitation after a weekslong trial. She was sentenced to life without the possibility of parole for the murder charge, with an additional 30 years for the other two counts, to be served consecutively. Adelson has pledged to appeal.

In an emotional statement ahead of the sentencing in a Tallahassee courtroom, Adelson swore she was innocent and cast her trial as a miscarriage of justice, overseen by a jury she said was unduly swayed by years of negative media coverage.

“What happened to Danny is unforgivable. But I am an innocent woman convicted of this terrible crime without evidence,” Adelson said.

“I’ve always respected the law. I’ve never gotten a parking ticket, But I’m going to prison for a murder I did not commit,” she added.

Circuit Judge Stephen Everett interrupted Adelson multiple times, warning her the statements showed what he termed an “utter lack of remorse” for the crime.

Shackled and dressed in a purple jail jumpsuit, Adelson stood attentively while Everett handed down the sentence. “You certainly can choose to deny your involvement and maintain innocence. The court finds the evidence in this case is clear,” Everett said.

The case had captivated people in Florida for more than a decade amid sordid details of a messy divorce, tensions with wealthy in-laws and custody fights leading to the killing.

Adelson was the fifth person sentenced for what prosecutors say was a plot to kill Markel. Among those already serving a life sentence for the killing is Adelson’s son, Charles Adelson.

At trial, prosecutors had painted Donna Adelson as the calculated and controlling matriarch of an affluent South Florida family with the means and motive to orchestrate the killing of the ex-son-in-law she “hated.”

Defense attorneys insisted the state didn’t have sufficient evidence to link the aging grandmother to the murder plot, instead emphasizing the roles played by others and casting suspicion on two of Adelson’s adult children. Wendi Adelson denied involvement in the killing and has not been charged.

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Kate Payne is a corps member for The Associated Press/Report for America Statehouse News Initiative. Report for America is a nonprofit national service program that places journalists in local newsrooms to report on undercovered issues.