DA asks for deposition of key witness in Lake Brownwood capital murder trial

Ryan Derek Riggs

New documents filed in the capital murder case of a Lake Brownwood woman show that the Brown County District Attorney is asking for the deposition of “an essential witness.”

Brown County District Attorney Micheal Murray is requesting that the grandfather of Chantay Blankinship, Charlie Barnett, be deposed on July 31, according to court records submitted on June 6.

Blankinship was reportedly killed in May of 2016.

The Brown County Sheriff's Office arrested Ryan Derek Riggs, 21, last November after deputies said that he confessed to his church and to law enforcement that he killed and sexually assaulted Blankinship.

Murray stated in the court documents that he is seeking the deposition of Barnett because he is "the grandfather of the deceased, and was her legal guardian."

“Mr. Barnett can provide a timeline when she was discovered to be missing on or about the date of her murder,” according to Murray.

Barnett, 88, lives in Lubbock, according to court documents.

Riggs confessed to the murder a week after the Brown County Sheriff's Office released a composite sketch of Riggs using DNA that he left on Blankinship.

Riggs' capital murder trial has been tentatively scheduled for October of 2019, according to court documents.

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