Tom Green Co. Sheriff's Office Seeking Info in Cold Case Murder


SAN ANGELO, TX —Tuesday marked the 13th anniversary of the murder of Brian Kyle Plunkett in Grape Creek and the Sheriff's Office continues to work on the cold case.   

According to the Tom Green County Sheriff's Office, on Sunday, June 13, 2010, the Tom Green County Sheriff's Office received a 911 phone call from an individual identified as Kimberly Linthicum. Linthicum claimed she was being chased in a vehicle and threatened by unknown individuals. Responding deputies spoke with Linthicum, who provided information indicating Brian Plunkett was in danger or a victim of a violent crime in the area of Old Sterling City Highway near FM2288.

This report initiated an investigation that resulted in several unsuccessful land searches for Plunkett. A break in the investigation occurred on Monday, October 25, 2010, when a hunter located skeletal remains in Area 7 of the State Park. It was later determined the remains were of Brian Plunkett, and the case was investigated as a homicide.    

In April 2015, investigators with the Sheriff's Office developed probable cause to arrest Kimberly Linthicum and George Simmons for the murder of Plunkett. Kimberly Linthicum was indicted and ultimately convicted of murder in March of 2017 and sentenced to 8 years in a plea deal. George Simmons was not indicted due to insufficient evidence.    

The Tom Green County Sheriff's Office is reviewing the case and requesting assistance from the public. Anyone with information regarding the death of Brian Plunkett is encouraged to contact Sgt. Michael Farmer or Lt. William Fiveash at the Tom Green County Sheriff's Office, Criminal Investigations Division, at (325) 655-8111 or the online tip at Crime Tips - Tom Green County TX Sheriff's Office (

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