Police: Bethesda Man Killed Woman, Turned Gun On Self

The woman who died in a Westbard Avenue apartment was the victim of a homicide, Montgomery County police said in a release Monday afternoon.

Police believe Martin Sean O’Toole, 38, shot and cut 35-year-old White Oak resident Hong Trang Tracy Vu before turning a gun on himself.

The Saturday at O'Toole's apartment in the Westwood Tower complex by a relative who hadn't been able to get in touch with O'Toole for two days.

A report from the Office of the Chief Medical Examiner ruled that Vu was a homicide victim and died of a gunshot wound and a cutting wound. O’Toole is believed to have committed suicide by a self-inflicted gunshot wound.

Police have said inside the apartment.

Both O’Toole and Vu sustained trauma to the upper portions of their bodies, police said, but they wouldn’t provide a specific location of the gunshot and cutting wounds.

ABC7 reported that Vu and O’Toole were in a relationship. Vu, a deout Catholic, sung in the choir at the Our Lady of Vietnam Parish in White Oak, according to ABC7.

Police continue to investigate the deaths. Anyone with information is asked to call the Major Crimes Division at 240-773-5070.