Authorities in the Dallas-Fort Worth metroplex are actively searching for a suspect wanted in connection with a capital murder investigation. The joint effort involves the Irving Police Department and the Federal Bureau of Investigation (FBI), indicating the severity of the case and the resources being deployed to locate the individual. The suspect is currently at large, and law enforcement officials have not yet disclosed specific identifying details such as name, age, or physical description in the available reporting. The investigation centers on an incident that has been classified as capital murder, which is the most serious level of homicide charge under Texas law. This designation typically applies to killings that involve specific aggravating circumstances, such as murder committed during the commission of another felony, murder of a public servant, or multiple murders. The presence of the FBI suggests that the case may have federal implications or that the suspect's movements could cross state lines, necessitating broader investigative support. Residents in the Irving area are urged to remain vigilant and report any suspicious activity or information that could assist in the manhunt. The investigating agencies have not provided a specific tip line number in the current brief, but the public is encouraged to contact local Irving Police Department non-emergency lines or the FBI's local field office with any relevant information. As the search continues, authorities are likely to release more detailed information regarding the suspect's identity and the specifics of the alleged crime as the investigation progresses. The community is reminded that tips from the public play a crucial role in locating wanted individuals and bringing them to justice. No arrests have been reported as of the latest update, and the suspect remains a priority for law enforcement personnel across both local and federal jurisdictions.