Atlanta police have released video of two persons of interest, a vehicle of interest and a possible witness in connection with a July 11 murder of a security guard working outside a music studio.

Scott Marthone, 30, was fatally shot while working at LoudHouse Studios in the 2000 block of Liddell Drive, police said. He had multiple gunshot wounds to his head.

RELATED: Security guard shot, killed outside Atlanta music studio

The video shows a dark-colored sedan from different angles with a spare tire on the passenger side.

One of the persons of interest was wearing a red jacket over a white shirt and light-colored pants. The second was wearing a dark hat, a dark long-sleeved shirt, gray sweatpants with a white stripe and black shoes.

This is a photo of the dark-colored sedan Atlanta police are searching for. (Credit: Atlanta Police Department)

Credit: Atlanta Police Department

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Credit: Atlanta Police Department

Both are seen standing near a fenced area.

A silver sedan is also shown in the video, and police said the driver is a possible witness.

Anyone with information is asked to call 404-577-8477.

In other news:

Channel 2??€™s Tyisha Fernandes learned the suspect fired shots as he ran out of the location in Loganville and left his car in the parking lot.