A North Dakota woman has been convicted in the death of her husband in what prosecutors said was the result of a love triangle and an attempt to collect insurance money.

Jurors on Tuesday returned guilty verdicts on three conspiracy charges, including murder, arson and evidence tampering, against Nikki Entzel.

It took about two hours for the jury to weigh evidence in the case against the 41-year-old defendant, the Bismarck Tribune reported.

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The body of 42-year-old Chad Entzel was found Jan. 2, 2020 after a house fire northeast of Bismarck. Authorities said Entzel died of gunshot wounds to the head and the fire was set to cover up the slaying.

North Dakota political argument leads to killing

A North Dakota woman has been convicted on conspiracy charges including arson, homicide, and evidence tampering. (Fox News)

Entzel and Earl Howard, 43, were accused of plotting the victim’s death and starting two fires at the home. About a year ago, Howard pleaded guilty to charges in the case and was sentenced to serve 25 years in prison.

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Evidence in the trial showed Nikki Entzel in the days after her husband’s death inquired with insurance companies about widow benefits and claims on renter and life insurance policies.

Prosecutors said Nikki Entzel purchased renter's insurance just days before the slaying, using a bank account held jointly with Howard.

Burleigh County State’s Attorney Julie Lawyer said the evidence in the case was overwhelming.

In his closing argument, defense attorney Thomas Glass said the prosecution’s case was based on innuendo and speculation and questioned why jurors didn’t get to hear from Howard.

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After the verdict, Glass said it was an "extraordinarily tough case to try."