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ATLANTA -- Less than two weeks after a man was shot in the face while walking home from a Braves game, Atlanta Police say they have no new leads.

It's whynearly two dozen officerscanvassed the Grant Park neighborhood Tuesday, going door to door asking if anyone saw or heard something that might help.

Investigators also released surveillance video from Ark of Sanctuary, which captured the victim and suspects before and after the shooting.

The videois grainy, and its hard to see their faces, but police hope someone will recognize the suspects clothes or mannerisms and call.

RELATED |East Atlanta steps up patrols after recent crimes

Turner Field is only about a mile from Grant Park, and people who live there often walk to and from games. But to get home, they have to walk through three blocks of boarded-up buildings.

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On May 17,22-year old Saman Balkanianhad already made it through that part of town and was at Grant Street and Georgia Avenue when he was shot in the face. He survived, but will lose vision in one eye.

Witnesses reported two young black men running from the scene.

Police believe the two men are also connected with several other violent robberies. Two of those incidentswere in Reynoldstown this past weekend. Witnesses there describe one of the victims as an older teen with a semi automatic handgun. The other suspect was driving the getaway car.

Officers say a shell casing from a shot fired into the air to scare one of the victims, matched the one found on Grant Street.

Chief Turner says the suspect is willing to shoot without reason, and today called the attacks gang related.

"When you start looking at what defines a gang, individuals that have come together to create a criminal enterprise, we believe that creates, that meets the definition of what we're seeing out here. Now whether they have a name, I don't know anything about that," said Turner.

Atlanta homicide detectives have had success in the past with neighborhood canvasses. After 11 days and no suspects, they hope new witnesses will step forward in this case. They also hope to connect with Grant Park neighbors and pass along safety advice.

Grant Park has a security patrol, paid for by residents and businesses. Off-duty police officers work different shifts, depending on crime patterns.

In early May, that patrol helped capture three men who had just committed a robbery. These kinds of privately-funded patrols are now in several intown neighborhoods.

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