DETROIT (WWJ) – Detroit police are looking for the gunman who shot and killed a woman in her home near 8 Mile and the Southfield Freeway — while her children were in other rooms.

Investigators say the victim’s 14-year-old son heard arguing — and then gunshots. He found his mother on the floor — and ran to a neighbor’s house for help.

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They called 911 — but the 42 year woman was already dead. Her 4-year-old daughter was also in the home. Neither child was physically hurt.

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Police are searching for the boyfriend of the victim, who was seen leaving the home — and driving off in a dark colored car.

A description of the suspect has not been released.

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Stay with WWJ Newsradio 950 [Listen Live] and CBSDetroit.com for more on this developing story.