St. Cloud woman admitted capacity to kill before fatally stabbing boyfriend, prosecutors say

The 23-year-old woman said “something in my head got triggered,” according to murder charges.

The Minnesota Star Tribune
December 10, 2025 at 9:27PM
The identities of the victim and suspect have not been released. (Jenny Berg/The Minnesota Star Tribune)

A St. Cloud woman admitted having the capacity to kill shortly before fatally stabbing her boyfriend, according to charges.

Katerina Ivanovna Markiv, 23, was charged Tuesday in Stearns County District Court with two counts of second-degree murder in connection with the death of Quinton McKay Hughes, 25, of Sauk Rapids, Minn.

Markiv remains jailed in lieu of $500,000 bail ahead of a court appearance Monday. The Minnesota Star Tribune has reached out to her attorney for a response to the allegations.

Hughes was stabbed in the chest about 4 a.m. Monday in Markiv’s apartment in the 1200 block of Washington Memorial Drive, police said. Emergency responders declared him dead at the scene.

According to the criminal complaint:

Hughes told 911 that the two of them had a “minor disagreement” before Markiv stabbed him. Markiv got on the phone and was heard apologizing to Hughes for stabbing him.

Officers arrived and saw Markiv applying pressure to Hughes’ wound. She said she didn’t realize Hughes was that close when she stabbed him with an 8-inch knife.

Markiv said she got mad after Hughes rebuffed her desire to have sex and kept interrupting her as they argued.

She said “something in my head got triggered” before she grabbed the knife and stabbed Hughes.

Hughes and Markiv, who began dating in October, worked at the same location.

A co-worker told police that Markiv was an emotional person who needed to step away when she would get upset.

The co-worker added that Markiv admitted that “she gets so crazy to the point she will kill somebody.” The co-work said he did not hear Markiv mention anyone in particular.

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about the writers

Paul Walsh

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Paul Walsh is a general assignment reporter at the Minnesota Star Tribune. He wants your news tips, especially in and near Minnesota.

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Zoë Jackson

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Zoë Jackson is a general assignment reporter for the Star Tribune. She previously covered race and equity, St. Paul neighborhoods and young voters on the politics team.

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