Remember Pokemon Go? Well last year someone got shot while playing it in San Francisco, as you may or may not recall.

20-year-old Calvin Riley was playing the flash-in-the-pan, augmented reality game on his phone with some friends on Saturday, August 6, 2016 in San Francisco's Aquatic Park. While doing so, he was shot by an unknown suspect for an unknown reason at approximately 9:51 p.m. Read our previous coverage of this incident here.

The gunman, who shot Riley as he rounded a corner near the park ahead of his friends, ran away and hopped into a car, possibly a white, four-door, 2013-2015 model year Toyota Avalon driven by a woman.

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Congresswoman Jackie Speier, herself the victim of an attempted homicide four decades ago, plans to announce a $50,000 reward for information on the murder. According to KRON 4, Speier will make the announcement on Monday morning at a press conference at the Aquatic Park Promenade alongside Riley's parents.

Riley, a resident of San Mateo, was a student at Delta College in Stockton when he was shot. The City of San Francisco is funding the reward.

Anyone with information about the murder is asked to contact U.S. Park Police’s tipline at (415) 561-5150 or police communications at (415) 561-5508. Callers may remain anonymous.

Related: Investigators Puzzled After 20-Year-Old Randomly Killed While Playing Pokemon Go