Bobby Mercado received a life sentence after a judge found him guilty in the fatal shooting of Robert Wellington on the 1100 block of W. Ridgewood Court in February 2024, the Bexar County District Attorney’s office said. Investigators tied Mercado to the killing through witness accounts, surveillance footage, and forensic evidence, and identified Cristan Villalobos as a second suspect. Mercado was taken into custody at a nearby bus stop while carrying illegal narcotics and will serve separate life sentences for murder and for felony firearm possession.
The case began in February 2024 when officers answered a call to the 1100 block of W. Ridgewood Court and discovered Robert Wellington shot inside a parked vehicle. According to investigators, Wellington and a woman were sitting in the car when Mercado approached, exchanged words, and then fired a single deadly shot. The scene prompted a fast response and a criminal probe that quickly focused on two possible suspects.
Witness descriptions became crucial early on. People near the scene provided details about the man who left after the shooting, and those accounts helped detectives narrow down the timeline and movements leading up to the killing. Surveillance cameras in the area captured activity on nearby streets, and investigators say those images matched what witnesses reported, allowing them to piece together how the events unfolded.
Forensic evidence also played a central role in linking Mercado to the crime. Officials reviewed ballistics and other physical clues that tied the weapon used to the scene, and those scientific leads strengthened the case. With eyewitness testimony, video footage, and forensic matches stacked together, prosecutors built a chain of evidence that carried weight at trial.
Mercado was arrested at a bus stop close to the shooting site, according to the DA’s office. At the time officers detained him he was found carrying narcotics, which added another layer to the charges against him. The arrest location and the items taken into custody were among the details prosecutors used to argue for a severe sentence.
The DA’s office identified Cristan Villalobos as a second suspect in the investigation, though the public record around Villalobos’ involvement is limited in the materials released. Prosecutors focused their case on Mercado as the shooter and presented the combined witness, surveillance and forensic evidence to establish guilt beyond a reasonable doubt. That strategy resulted in a conviction and the life sentence handed down by the judge.
At sentencing, the court imposed life in prison for the murder conviction and an additional life term tied to felony firearm possession. Those consecutive punishments reflect the seriousness with which the justice system treated the killing and the use of a weapon during the crime. Victims’ relatives and community members who followed the case have reacted to the verdict, while law enforcement emphasized the coordinated investigative work that led to the outcome.
This case underscores how multiple pieces of investigative work can come together in a single prosecution. Eyewitness accounts, video surveillance, forensic analysis, and timely arrests all contributed to the conviction, and officials pointed to that combination as decisive. The Bexar County District Attorney’s office characterized the result as accountability for a violent act in a residential neighborhood.