Police ID vehicles connected to fatal shooting of 15-year-old Diamond Johnson

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ATLANTA - As the investigation into the fatal shooting of 15-year-old Diamond Johnson continues, police have identified a fourth car believed to belong to suspects.

Police released photos of a dark-colored SUV, a red sedan, a maroon SUV, and a gray or white pickup truck in connection to Johnson's shooting death on May 1 on Glenwood Avenue.

"We're going to find the perpetrators, but we can't do it alone," said Deputy Chief Charles Hampton, Atlanta Police Department.

A deadly quadruple shooting in southeast Atlanta claimed the life of one teenage girl. (Photo: FOX 5 Atlanta)

The Atlanta Police Department is offering a reward of $5,000 for information — including the year, make, model, tag owner, or primary operator of any of the vehicles.

Tipsters can remain anonymous by contacting CrimeStoppers at 404-577-8477(TIPS).

(Photo courtesy APD)

Johnson was killed when police said there were several fights between teens on Glenwood Avenue.

"No one expects a 15-year-old to be gunned down in the city of Atlanta. We take this seriously, as Chief [Rodney] Bryant said earlier. I think we have the best homicide unit," said Deputy Chief Hampton.

15-year-old Diamond Johnson (Photo courtesy APD)

Atlanta police said two groups of people started arguing at Grant Park, then traveled over to the Waffle House on Glenwood Avenue Saturday Night.

Police responded to the incident shortly before 10 p.m. The Waffle House window was shattered by gunfire.

Teenage girl killed in southeast Atlanta quadruple shooting

A police say an argument broke out late Saturday night and led to shooting, injuring three and leaving one dead.

Johnson's death was one incident in a string of violent crimes from the weekend.

Atlanta Police Department Chief Rodney Bryant called Johnson's murder "significantly traumatic" and says the city will work "diligently to bring closure to this case."