RELATED: SFPD increases efforts to find suspect in shooting death of man playing Pokemon Go in SF
Police are also looking for a newer model white 4-door Toyota Avalon that was seen leaving the scene shortly after the shooting.
Calvin Riley died was playing the game at Aquatic Park on Aug. 6.
The senseless killing that has put locals on edge. "It was really horrible and tragic and unexpected, so I really hope they figure this out," one woman said.
The Toyota Avalon driven by a Caucasian woman is believed to be a 2013 to 2015 model.
RELATED: Memorial held for man killed while playing Pokemon Go in San Francisco
It was seen driving suspiciously between 9 p.m. and 10 p.m. going up and down Van Ness Aavenue near where Riley was shot. "It was driving down on Van Ness, pulled over near the dumpster or turnaround area and pulled over, parked and drove back down," US Park Police Capt. Jerry Marshall said.
Regulars at Aquatic Park say they're happy to hear that police seem to making progress. They hope the family will ultimately see justice prevail. "I was shocked and heartbroken for the family. It's just terrible," one woman said.
Investigators have yet to determine a motive.
Click here if you'd like to make a donation to help the family pay for funeral costs.
Anyone with information about the shooting is being asked to call Anyone with information should call 415-561-5150., or the police department's anonymous tip line at (415) 575-4444 or text a tip to TIP411 with SFPD at the start of the message.