By Ryan Crowe,

Update – Sources tell CBSDFW Brandon Couch was arrested late Wednesday night.  A DPS helicopter spotlighted Couch, leading deputies to him.

POINT (CBSDFW.COM) – The murder of a Rains County woman has sheriff’s deputies and the Texas Rangers searching for her grandson.

The woman, identified as Mattie Couch, was found dead in her home near the town of Point Wednesday afternoon by her son.  When members of the Rains County Sheriff’s Office arrived they confirmed Couch had died of a gunshot wound.

After interviewing the son, deputies began to search the property around Couch’s home and found her grandson, Brandon Couch, out in a field.

The younger Couch, in his early 30’s, fled the area when deputies tried to talk with him.

Records obtained by CBSDFW show Couch had been arrested in December of 2011 on an injury to the elderly charge.  It is unclear if Mattie Couch was the victim in that case.

As of Wednesday evening a manhunt was still underway for Brandon Couch, who is currently only being described as a person of interest by Texas State Troopers.

Texas Department of Public Safety dispatch in Tyler says Couch is considered armed and dangerous, and asks anyone who may have seen him to contact the Rains County Sheriff’s Department at (903) 473-5000.

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