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11-year-old William McQuain missing after mother Jane McQuain found dead in Md.

Missing 11-year-old William McQuain. AP Photo

(CBS/AP) GERMANTOWN, Md. - Police in Maryland are investigating the killing of 51-year-old mother Jane McQuain and the disappearance of her son William McQuain.

Montgomery County Police say they found Jane McQuain dead in her bedroom in Germantown around 8:30 p.m. Wednesday. Investigators say there was trauma to her body.

Meanwhile, Maryland State Police have issued an Amber Alert for McQuain's 11-year-old son William. Authorities say he was last seen at the home on Sept. 30. Police believe he was abducted.

Capt. Paul Starks, a police spokesman, says detectives are interviewing people close to McQuain but he had no information about any possible motives or suspects in her death.

Police say McQuain's car is also missing. It's described as a 2011 black Honda CRV with Maryland tags 5AG9405.

William is 5'0" tall, weighs 85 pounds. William has brown hair and brown eyes.

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