BOSTON —

A Boston woman was sentenced to up to 14 years in prison in connection with a 2023 stabbing that left one woman dead and a teenager with serious injuries, Suffolk County District Attorney Kevin Hayden announced Wednesday.

Wilmary Mejia Matos, 18, pleaded guilty to manslaughter in the fatal stabbing of Brianna Brown, 21, and assault and battery with a dangerous weapon causing serious bodily injury in the stabbing of a Boston 17-year-old.

The stabbings occurred on Feb. 11, 2023, in Boston's Jamaica Plain neighborhood.

"On February 11, Mejia Matos, then 16, learned that her boyfriend had videotaped them having sex and sent the video to the 17-year-old victim. Mejia Matos believed the 17-year-old victim posted the video online. Mejia Matos confronted the victim over social media a

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