By Associated Press • 

Man fatally stabbed in SE Wash. plasma center

KENNEWICK, Wash.  — Police in Kennewick, Washington, say a man was fatally stabbed at a plasma donation center as dozens of horrified witnesses watched.

The Tri-City Herald reports that witnesses called 911 Monday and followed the attacker as he fled, eventually surrounding the man and persuading him to drop a large kitchen knife.

Police arrested 40-year-old Matthew de Vore for investigation of murder. The newspaper says he's the estranged husband of the victim's girlfriend.

The victim was identified as 45-year-old Thomas Christian Sr., who was at the center with his girlfriend Brenda de Vore.

Christian was pronounced dead at the scene. He recently moved to the Tri-Cities.

The newspaper reports that in 1999, when Matthew and Brenda de Vore lived in Everett, Washington, court records show he pleaded guilty to assaulting his wife and was sentenced to two days in jail.

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Information from: Tri-City Herald

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