A 33-year-old man, who was convicted of killing a Pennsylvania trooper in a 2014 ambush, was sentenced to death on Wednesday.

A jury said that Eric Frein, should be executed in the September 12, 2014 sniper attack that killed state Cpl. Bryon Dickson and wounded another trooper. He was arrested on October 30, 2014 and was convicted last week of 12 chargers, including first-degree murder and terrorism.

Frein led nearly 1,000 members of law enforcement agencies on a 48-day manhunt after the attack, and for a long time he was one of the most wanted criminals in the United States. Authorities have described Frein as an anti-government survivalist.

The convict opened fire on trooper Dickson during a shift change and shot trooper Alex Douglass after he came to his colleague’s aid.

Frien’s attorney said that his client grew up in a dysfunctional household and asked the jury to sentence Frein to life in prison without the possibility of parole.

Frein showed no emotion after the verdict was read, and there was an audible "yes" from members of the state police in the courtroom.

Ray Tonkin, who is Pike County’s District Attorney, said that the death sentence was richly deserved and hopes that it brings some comfort to the family of Dickson and also to Douglass and his family.

"There is a satisfaction that the jurors have delivered full justice in this case and issued the penalty that is so richly deserved by Eric Frein," Tonkin told reporters after the jury delivered the sentence.

"This verdict is for each and every member of law enforcement who dons a uniform and goes out to protect us each and every day," he said.

A judge will impose a formal sentence of death on Thursday, Tonkin said.

It is unclear when or if the death penalty could be carried out. Governor Tom Wolf has imposed a moratorium on the capital punishment, and Pennsylvania’s last execution took place in 1999.

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