Sentence affirmed for woman who sold guns used in killings of first responders

BUFFALO, N.Y. (WIVB) — A woman convicted of crimes related to the killing of two first responders has had her conviction and sentence affirmed in a U.S. Court of Appeals.

Dawn Nyugen was convicted of knowingly making a false statement in connection to the purchase of firearms, selling and disposing of firearms to a felon and possession of firearms while being an unlawful user of marijuana. She was sentenced to 96 months in prison.

“Today’s Court of Appeals affirmation brings to a fitting end our prosecution of Dawn Nguyen,” said U.S. Attorney Hochul. “Not only did this defendant buy two firearms for William Spengler, an already convicted killer, she did so knowing that Spengler, in the words of the Court, ‘openly mused aloud about killing’ another person- his sister. While no amount of jail time will ever restore those killed and wounded by Spengler on December 24, 2012, the substantial prison term imposed upon Nguyen sends a very clear message of condemnation for this defendant’s outrageous actions.”

Webster Police Lieutenant Michael Chiapperini and West Webster Firefighter Tomasz Kaczowka were killed by Spengler in a 2012 Christmas Eve shooting. Two other firefighters were seriously injured. provides commenting to allow for constructive discussion on the stories we cover. In order to comment here, you acknowledge you have read and agreed to our Terms of Service. Commenters who violate these terms, including use of vulgar language or racial slurs, will be banned. Please be respectful of the opinions of others. If you see an inappropriate comment, please flag it for our moderators to review. Note: Comments containing links are not allowed.

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