Nearly three months after a shooting in an upscale neighborhood near Lawrenceville left a 25-year-old man dead, Gwinnett County police said Thursday they have arrested two people — a Norcross teen and a prison inmate — in connection with the crime.

Dossie Davon Mann, 19, and Gordon Anthony Evans, 34, are in the Gwinnett jail on multiple charges, including malice murder, felony murder, aggravated assault, armed robbery, false improvement and two counts of participating in gang activity, Gwinnett police Cpl. Michele Pihera said.

Mann, also charged with first degree criminal damage to property and reckless conduct, was arrested Monday. Evans, in the Hancock State Prison in Sparta at the time of the shooting, was arrested Tuesday, Pihera said.

Officers received a tip just before midnight Nov. 24 that a man might be dead inside a home in the 2700 block of River Station Court, in the River Station Estates subdivision, Pihera said at the time.

When officers arrived at the home to do a welfare check, they found the body of Jeffery Anderson. He’d been shot at least once, police said back in November.

Pihera on Thursday described the incident as “a gang-related homicide.”

Police did not specify why they believe the incident was gang-related, what led them to Mann and Evans, the relationship between the suspects and the victim or how Evans could have been involved if he was behind bars.

According to online Georgia Department of Corrections records, Evans is currently serving a 20-year prison sentence for a string of armed robbery, battery and false imprisonment incidents dating back to early 2003. He is not scheduled to be released until March 15, 2023.

“This case is still very active,” Pihera said. “Therefore, we are not publishing all the details at this time.”

Though Mann and Evans have been charged in the case, “the lead detective is still pursuing any other persons who may be related to the crime,” she said.

Anyone with information about Anderson’s death is asked to contact Gwinnett police detectives at 770-513-5300 or Crime Stoppers at 404-577-8477. Tipsters can receive up to $2,000 for information leading to an arrest and indictment in this case.