WORCESTER ― Mathew Locke was convicted of four counts of first-degree murder Friday in the heinous 2018 stabbings and burnings of his cousin’s wife and three children in West Brookfield.

Mathew Locke, a Ware man charged with killing a woman and her three children, was found guilty after a four-week trial in Worcester Superior Court.

A jury convicted a Massachusetts man of the brutal quadruple murder of his cousin's wife and her three young children at their Worcester County home, prosecutors said.Matthew Locke, 38, formerly of Ware,

After a 4 week trial, a jury found Matthew Locke, 38, officially guilty on Friday on 4 counts of first-degree murder in the deaths of West Brookfield mother and her 3 children.

WORCESTER ― Jurors heard closing arguments and began deliberations Thursday in the quadruple homicide trial of Mathew Locke, the former Ware man accused of brutally murdering his cousin’s wife and children in West Brookfield in 2018.