Md. police have a suspect in killing of Jane McQuain and the disappearance of her son

(CBS/AP) GERMANTOWN, Md. - Montgomery County police say a suspect is now in custody in 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 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.

Police said McQuain's car was 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.