ANCHORAGE, Alaska (AP) - The Latest on the sentencing of the Alaska man who shot and killed a state prosecutor in 2014 (all times local):

1 p.m.

A 51-year-old Alaska man convicted of first-degree murder in the death of a state prosecutor asked a judge for mercy at his sentencing hearing.

Ronald Fischer of Utqiagvik (oot-GAR'-vik), formerly known as Barrow, was convicted in November of the shotgun slaying of 48-year-old Brian Sullivan.

Sullivan had begun dating the mother of Fischer's children.

Fischer faces a sentence of 20 to 99 years on the murder conviction.

Fischer spoke for about five minutes Friday. He thanked his family and friends for their support and apologized to Sullivan's family.

Defense attorney Dina Cale says Fischer was in the throes of devastation from the end to an 18-year relationship with children. She said Fischer's case was less than the most serious first-degree murder conviction and she urged a sentence of less than the maximum.

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8 a.m.

A 51-year-old man convicted of killing an Alaska prosecutor in the community formerly known as Barrow is scheduled for sentencing Friday.

Ronald Fisher, a felon with a history of assaulting women, killed 48-year-old Brian Sullivan in December 2014 with two shotgun blasts as Sullivan sat in the home of the mother of Fischer's children, a woman he had begun dating.

Fischer in November was convicted of first- and second-degree murder at a trial in Utqiagvik (oot-GAR'-vik), the northernmost city in the United States. A jury also convicted him of assault and violating conditions of release.

The murder conviction requires a sentence of 20 to 99 years.

Prosecutor James Fayette in a sentencing memo says Fischer should be characterized as a "worse offender."

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