A murder suicide in midtown Tucson is putting more focus on domestic violence, The alleged killer was already facing serious domestic violence charges when he was released as his case went through the courts.

Investigators say Michael Martinez Duran killed Michelle Ohnesorgen Johnson in the house, then killed himself. He was already charged with domestic violence against her.

Charging documents said in that earlier incident he strangled Johnson, then threatened her with a gun.

Pima County Attorney Laura Conover cited a National Institutes of Health study that says an abuser who tries strangulation is someone especially likely to become a killer.

43% of all women who are murdered have been previously strangled by their partner. When a person has been strangled by their partner, there is

See Full Page