Homicide Investigation at 4800 South Buckner Blvd

Update 10/29/2021 at 3:30 p.m.:

Suspect – Diavontain Shamar Hill B/M/24

On October 24, 2021, at approximately 8:50 a.m., complainant Nizar Raiyyani was shot and killed at 4864 S. Buckner Boulevard during an argument that turned into a robbery. During the investigation, it was determined that Diavontain Shamar Hill Black male 24 years old is responsible for the Capital Murder. Homicide detectives are asking for the public’s assistance with any information they may have regarding the death of complainant Nizar Raiyyani or related to suspect Diavontain Shamar Hill. If anyone has information regarding this investigation, they should contact Detective C. Walton #8479 Dallas Police Homicide Unit at 214-671-3632. Please refer to the case number 193241-2021




On Sunday, October 24, 2021, at approximately 8:48 a.m., Dallas police responded to a shooting call at 4800 S. Buckner Blvd.  Upon their arrival, they discovered the victim who has been identified as Nizar Noorali Raiyyani, a 46-year old male, shot at the location. Dallas Fire and Rescue responded and pronounced the victim deceased at the scene.

Dallas Police are asking that anyone with information regarding this incident contact Det. C. Walton, #8479, with the Dallas Police Department Homicide Unit at 214-671-3632 or christopher.walton@dallascityhall.com . Please reference case number 193241-2021.


Crime Stoppers will pay up to $5,000 for information called into Crime Stoppers that leads to the arrest and indictment for this felony offense and other felony offenses. Call Crime Stoppers at: (214)373-TIPS, 24 hours a day, 7 days a week.