Thomas J. Anderson faces murder charges in Anderson County, South Carolina, for fatally shooting a man found at his estranged wife’s apartment. He remains in detention without bond following the early-morning incident.
Incident Details
On January 22, 2026, around 4 a.m., Anderson, 35, arrived at an apartment on Palmetto Lane in Anderson and discovered 29-year-old Oscar David Barrios Mazariegos with his estranged wife. Mazariegos attempted to flee to his vehicle but was pursued by Anderson, who shot him multiple times, leading to his death at the scene from gunshot wounds.​
Response and Charges
Deputies responded to shots-fired calls at 4:20 a.m., classifying it as a domestic-related homicide. Anderson was arrested by 11 a.m. and charged with murder and possession of a weapon during a violent crime. An autopsy confirmed multiple gunshot wounds as the cause of death.
Court Proceedings
Anderson appeared before a judge on Friday, January 23, 2026, and was denied bond. He is held at the Anderson County Detention Center as the investigation continues with involvement from the coroner’s office, Medshore EMS, and South Carolina Highway Patrol.














