Anthony Dewayne Dunn

Anthony Dewayne Dunn was a 40-year-old man from Pampa, Texas, known for his love of family, fishing, and playing dominoes. Friends and relatives remembered him as the life of the party. His life was cut short on the afternoon of September 18, 2024, in Amarillo, Texas.

At approximately 4:37 p.m. that day, Amarillo police were called to The Larsson apartment complex in the 2200 block of SW 7th Avenue for a shooting. They arrived to find Anthony Dunn deceased in the parking lot from multiple gunshot wounds. The investigation that followed revealed a tense and complicated relationship between Dunn and the man who shot him, 25-year-old Keon Trashone Mathis. According to court documents, a woman named Vember Jeffries shared an 11-month-old child with Dunn and was, at the time of the shooting, seven months pregnant with Mathis's child. Jeffries told police that Dunn had been stalking her, leading to past conflicts between the two men.

On the day of the shooting, a confrontation between Dunn and Jeffries began in the apartment building's lobby and escalated into a physical fight in the parking lot. Jeffries stated that she grabbed Dunn’s backpack and he swung at her but missed. She then heard a gunshot and saw Mathis shooting at Dunn. As Dunn tried to run away, Mathis pursued him, continuing to fire. Witnesses reported that after Dunn fell to the ground, Mathis stood over him and fired several more rounds.

The shooter fled the scene on foot, but the Amarillo Police Department's Homicide Unit quickly identified Keon Mathis as the suspect and obtained a murder warrant. Early the next morning, Mathis was arrested by the Childress Police Department during a traffic stop in the city of Childress. He was booked into the Childress County Detention Center before being extradited to Potter County, where a grand jury indicted him on one count of murder.

Keon Trashone Mathis, then 26, later pleaded guilty to the murder of Anthony Dunn. In July 2025, a judge sentenced him to 40 years in prison, bringing the case to its legal conclusion.