Kennewick death investigation update - NBC Right Now/KNDO/KNDU Tri-Cities, Yakima, WA |

Kennewick death investigation update

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We have an update on the Kennewick Police death investigation we first brought you last night. Police say they responded to a reported "suicide attempt" at 2515 #C West Grand Ronde Avenue on Friday just before 5pm. They found 27-year-old Jason Mertz and 56-year-old Ruth Mertz both with gunshot wounds. Jason Mertz was dead when Police arrived. Ruth was taken to Kadlec Regional Medical Center where she later died. Detectives are now investigating.