A judge set bond at $1 million after a defense lawyer argued the accused may have acted during a struggle.
EDINBURG, Texas — A lawyer for a 29-year-old man accused of fatally stabbing his brother near Mercedes told a judge the killing may have happened in self-defense, introducing the first major fault line in a Hidalgo County murder case that began with deputies answering a stabbing call on Feb. 18.
The dispute is significant because the public record so far contains two very different outlines of the same event. Investigators say Nestor Eduardo Flores stabbed 43-year-old Jose Gabriel Flores several times in the back after an argument turned physical. The defense, speaking at arraignment, says the younger brother may have been protecting himself. That tension will likely shape every next step, from witness interviews and forensic review to future hearings on whether the state can prove murder beyond a claim of justified force.
The case began Wednesday night when Hidalgo County sheriff’s deputies were dispatched around 8:33 p.m. to the 3500 block of Mile 13 North, a rural area outside Mercedes. According to authorities, first responders found Jose Gabriel Flores wounded and learned from people at the scene that the stabbing followed an argument between brothers. He was rushed to a hospital but did not survive. By then, deputies said, Nestor Eduardo Flores had already left the property on foot. Officers found him Thursday morning at his home and took him into custody. He also had injuries and was treated at a hospital before being released in time for an arraignment the next day, where he appeared with his left arm in a sling.
At that hearing, defense lawyer Hector Hernandez Jr. asked the judge to set bond at $10,000 and said his client was likely acting in self-defense. The request failed. The court set bond at $1 million, leaving Flores jailed on a murder charge. The hearing did not answer the central questions that will matter later: who started the physical fight, how the injuries on both men were sustained, and whether witness statements support or undermine the defense theory. Authorities also have not publicly described the knife, explained whether it belonged to either man, or said how many witnesses gave statements. What is known is narrower and harder: the victim was the accused man’s brother, the encounter happened at a home, and investigators say the fatal wounds were to the back.
Those details give prosecutors one early advantage and the defense one opening. Wounds to the back may support the state’s argument that the killing went beyond immediate protection, depending on the positions and movements of both men. But the accused man’s own injuries, if serious and clearly tied to the same struggle, could become part of a broader justification argument. Texas self-defense law can turn on fact-heavy questions about perceived danger, the force used and whether the threat was ongoing. None of that has been tested in court yet. Public reports did not identify any prior protective orders, earlier police calls between the brothers or a documented history of violence, leaving both sides without a larger public record to explain what led to the confrontation.
The location also matters. The residence sits in a rural part of Hidalgo County, where sheriff’s deputies often handle serious cases outside city police jurisdictions. Investigators in such cases typically lean heavily on witness interviews, scene processing and medical findings to build a timeline. Here, witnesses reportedly saw at least part of the argument and physical confrontation, but public accounts do not say whether every witness saw the stabbing itself. That distinction may become important. A case with multiple witnesses can look strong from a distance, yet still produce competing versions when each person saw different moments, stood in different places or reacted after violence had already begun.
For now, the case remains in its earliest stage, with the courtroom record limited mainly to the murder charge, the bond ruling and the defense lawyer’s brief self-defense statement. No next court date had been publicly listed in the early reports after the hearing. That means the next concrete developments are likely to come through routine but important steps: prosecutors deciding how quickly to present the case for further action, defense lawyers seeking more detail from the state, and the court setting the schedule that will determine how soon the legal fight moves beyond first appearances and into evidence.
As of the latest public reporting, Nestor Eduardo Flores remained charged with murder in Hidalgo County, and the self-defense claim had been raised but not detailed in court filings. The next milestone is expected to be a future hearing or updated case entry showing where the prosecution and defense go next.
Author note: Last updated March 21, 2026.