Cold Case: Gwinnett Police say they have solved a 2012 murder

The Gwinnett County Police Department believes it has solved a 2012 cold case and has obtained warrants for a suspect who is already in prison.

The Gwinnett County Police Department’s Cold Case Unit has obtained warrants for Nazar Matheson for the murder of Robert Mixon on Nov. 2, 2012. A detective assigned to the Cold Case Unit has been investigating this case with the Gwinnett County District Attorney’s Office for years.

Mixon was shot to death inside his apartment on Satellite Boulevard in 2012. 


Detectives originally assigned to the case spoke with witnesses and fielded tips but were never able to identify a suspect. The case was eventually assigned to a Cold Case Investigator. That detective was able to locate DNA evidence which police say linked Matheson to this murder. 

Matheson was already incarcerated for unrelated crimes in Georgia.

The police department is still asking anyone with information on this case to come forward now that Matheson has been charged.

If anyone has any information to share in this case, please contact GCPD detectives at 770-513-5300.  To remain anonymous, tipsters should contact Crime Stoppers at 404-577-TIPS (8477) or visit www.stopcrimeATL.com.  Crime Stoppers tipsters can receive a cash reward for information leading to an arrest and indictment in this case. 



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