Newly surfaced documents are revealing disturbing details about Karmelo Anthony’s behavior before the fatal stabbing of 17-year-old Austin Metcalf at a high school track meet in Frisco, Texas.

The records include photographs, videos and text messages that were not shown to jurors during Anthony’s murder trial. The material reportedly includes images of Anthony posing with firearms, including an AK-47-style rifle, as well as a video appearing to show him aiming a gun at a residence.

Other messages reportedly contained violent, racist and homophobic rhetoric. The documents also include messages in which Anthony allegedly discussed breaking into a neighbor’s home and stealing a watch. In another exchange, he reportedly mentioned bringing a gun and knife to school.

The documents also shed new light on Anthony’s behavior shortly before Metcalf was killed. Prosecutors said Anthony’s former girlfriend had reported concerns about stalking and increasingly erratic behavior. She reportedly told an assistant principal that Anthony was becoming increasingly focused on fights, guns and knives.
On April 2, 2025, Anthony fatally stabbed Metcalf during a high school track meet. Anthony was later convicted and sentenced to 35 years in prison.

The newly surfaced evidence was not presented to jurors because prosecutors and defense attorneys had reached an agreement to keep certain material out of the trial. Prosecutors reportedly agreed not to introduce evidence concerning Anthony’s prior behavior, while the defense agreed not to bring up allegations involving Metcalf’s juvenile history.
Anthony’s request for a new trial was denied in August 2026. His family is now seeking approximately $250,000 to support a further appeal.
The newly revealed documents are likely to keep attention focused on the events and warning signs that preceded the fatal confrontation — and on why some of that information never reached the jury.