COVINGTON, Ga. - Carly Suzanne Walden, the 34-year-old accused of killing her mother on April 28, was arraigned Thursday morning in Alcovy Judicial Circuit Superior Court Judge Horace J. Johnson Jr.'s courtroom. 

She faces charges of malice murder, felony murder, aggravated assault and possession of a firearm during the commission of a felony in relation to the death of 57-year-old Andrea Walker, of Covington. 

Walden, who is represented by Alcovy Judicial Circuit Chief Public Defender Anthony Carter, pled not guilty on those charges. 

Assistant District Attorney Jillian R. Hall will represent the state. 

According to a news release from the Newton County Sheriff's Office, Walden was taken into custody after deputies responded to 355 Alcovy Way in reference to a penetrating trauma. Once on scene, deputies located a deceased female, later identified as Walker. 

Walden was taken into custody at the scene without incident.

"Per the Newton County Coroner Tommy Davis, Andrea Walker has been transported to the GBI (Georgia Bureau of Investigations) Crime Lab," according to the release. "An autopsy will be completed by the medical examiner's office to determine an exact cause and manner of death.

"No motive has been identified yet and the case is still under investigation."