UPDATE | Man accused of killing mother, setting house on fire enters not guilty plea

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Friday, Feb. 20, 2015

AUGUSTA, Ga. (WRDW) -- The man accused of killing his 92-year old mother and setting her house on fire has entered a not guilty plea.

Robert Caviston entered a not guilty plea on murder and arson charges.

Agnes Caviston died in November in that fire. Investigators have said they found Robert Caviston naked except for a pair of shoes in the front yard of a neighbor's house.

Deputies say he told them he killed his mother repeatedly.

Wednesday, Feb. 11, 2015

AUGUSTA, Ga. (WRDW) -- A grand jury indicts a son for killing his mother and setting her house on fire.

Robert Caviston, 56, has been formally charged for murder and arson in the death of Agnes Caviston, 92.

Augusta firefighters found her body inside a burned out home on Wicklow Drive in November.

Investigators say they found Robert Caviston in the front yard of a neighbor's home naked except for a pair of shoes.

Deputies say when questioned, he repeatedly said he killed his mother.

Monday, Nov. 17, 2014

AUGUSTA, Ga. (WRDW) -- A man is in custody after claiming to kill his mother and set a house on fire, according to the Richmond County Sheriff's Office.

Officials said the victim, 92-year-old Agnes Caviston, was found on Wicklow Drive with blunt force trauma to her head by an unknown object and burns to her body.

The Richmond County Sheriff's Office has charged 56-year-old Robert John Caviston with murder and arson.

Roger Pilgrim was outside when a truck stopped and what he heard made him pick up the phone.

"There's a guy out there's naked and hollering and he yelled and said he killed his mom so that's when I called 911," Pilgrim said.

According to an incident report, deputies found Robert Caviston lying in the yard of a nearby house without any clothes on besides shoes. The report said he spontaneously told deputies he killed his mother and set the house on fire.

"After battling the blaze they found the body of a female who had died inside the residence," Coroner Mark Bowen said.

Officials say the woman found dead was partially burned. The suspect taken into custody on scene.

"I saw the guy on the ground covered up with a blanket and I thought this guy was dead but he was hand cuffed," Pilgrim said.

Neighbors say this house is a rental property and didn't know the suspect or the woman who died, but they say it feels unreal this happened on their street.

"It's weird because I grew up around this neighborhood. This is the biggest thing that's ever happened in this neighborhood that I know of," Pilgrim said.

Reminding them, no matter how quiet the neighborhood, you never really know who's next door.

"It shows that it can happen anywhere," Pilgrim said.

The investigation is still in the very early stages. The coroner said Caviston's body will be taken to Atlanta, and an autopsy will be done on Monday. As soon as we find out any new details we'll let you know.