VINTON, Va. -

The Vinton Police Department is continuing its investigation into the death of Karen Selbe. 

Her son Dean Selbe, 29, is accused of killing and beheading her.  He is charged with first degree murder.

Police say he killed her Sunday in the home the two shared in Vinton.  They found her body lying on a bedroom floor.

This isn't the first time Dean faced charges.  In the summer of 2011, he was charged with attempted murder after he attacked his mother, according to Vinton Police Chief Ben Cook.

That charge was amended and he pleaded guilty to attempted malicious wounding.

Check back for more details as we will continue to follow this developing story.

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The man accused of killing his own mother in their Vinton home Sunday appeared in court Tuesday morning and was sent to Central State Hospital for a mental evaluation.

Dean Selbe, 29, is charged with first degree murder in the death of Karen Selbe.

Police found Karen's body lying in the bedroom floor of their home around noon on Sunday.

Investigators believe the two lived together in the house.

WDBJ7 spoke to neighbors who say they saw police officers at the house a few hours before the murder.

"I was really shocked and I don't see how somebody could hurt somebody and do anything like that," neighbor Tiffany Culler said. "We saw what we thought was two cop cars and it was up to four and we saw a police line and we didn't know what happened."

Dean Selbe has a criminal history.

According to Vinton's Police Chief Ben Cook, Selbe was charged with attempted murder in the summer of 2011 after attacking his mother.

That charged was amended and he pleaded guilty to attempted malicious wounding.

Selbe's case was continued Tuesday in the Roanoke County Juvenile and Domestic Relations Court.

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A man is in jail accused of killing his mother Sunday in a home they shared in Vinton.

Dean Selbe, 29, is charged with first degree murder in the death of his mother, Karen Selbe.

The death is being considered a homicide and further investigation into the cause is ongoing, according to a news release.

Officers in Vinton were called to the home at 305 Cedar Avenue Sunday after a report of a suspicious death.

When they arrived, they found Karen Selbe dead in the bedroom of the home she shared with her son.

Dean Selbe was taken to Roanoke County Jail, where he is currently held without bond.

Selbe is scheduled to be arraigned in Roanoke County Juvenile and Domestic Relations Court at 9 a.m. Tuesday.