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Oconee County Sheriff’s Office Arrests Oconee Teenager on Attempted Murder Charge

Updated: Mar 2, 2023

Truett Gregory Brock

Julian Tristen Mackenzi Garren

(UPDATE: 23 year old Julian Tristen Mackenzi Garren was arrested overnight in Unicoi County, TN by the Erwin Police Department. Unicoi County is located along the Tennessee/North Carolina border and is located just south of Johnson City, Tennessee.

The Oconee County Sheriff's Office has placed a hold on Garren in relation to our charges. Extradition proceedings will begin in order for Garren to be returned to Oconee County. )

(Walhalla, SC)-----------------------------------An Oconee teenager remains in jail today, on a combined $652,205.00 surety bond, after his arrest yesterday evening on Attempted Murder charges in relation to a shooting incident.

18 year old Truett Gregory Brock, who has listed addresses on Brock Road in Westminster, and White Pine Drive in Fair Play, was booked into the Oconee County Detention Center around 11:27pm. Brock was transported to the Detention Center from the city of Anderson.

Brock has also been charged with one count each of Domestic Violence – 1st Degree, Possession of a Weapon during Commission of a Violent Crime and Malicious Injury to Property in regards to the same incident.

The Sheriff’s Office is also seeking the public’s help in locating a second suspect involved, 23 year old Julian Tristin Mackenzi Garren of Eastpointe Drive in West Union. Garren has been charged with one count each of Attempted Murder, Possession of a Weapon during Commission of a Violent Crime, Domestic Violence – 2nd Degree and Malicious Injury to Property.

Deputies from the Uniform Patrol Bureau responded to the White Pine Drive address early Tuesday morning in regards to a reported break-in in which multiple doors were damaged and gunshots were fired inside of a residence. Deputies observed multiple gunshots to the bathroom door. Brock and Garren were not on scene when deputies arrived.

Deputies were also advised that an adult male may have been injured; however, that man was not located on scene when deputies arrived. The man was located later and suffered only minor injuries.

The investigation was turned over to the Criminal Investigations Bureau. Based on evidence that was gathered during the investigation, it was determined that Brock and Garren caused damage to multiple doors. Two adult females, who were household members of Brock and Garren respectively, were on scene during the incident, along with two minor children. According to arrest warrants, shots were fired multiple times through the bathroom door. A handgun was also used in the commission of the crime.

If you have any information on the whereabouts of 23 year old Julian Tristin Mackenzi Garren, you are asked to call 911. You can also submit a tip online, via Crimestoppers, where you don’t have to give your name, at If your tip leads to an arrest, you could be eligible for a cash reward.

The Oconee County Sheriff’s Office is continuing its investigation. Due to the nature of the crime, the names of any victim’s will not be released by the Sheriff’s Office.

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