they responded 800ft down at embarcadero and brannan. that was at 5:55 p.m. officers say they couldn't find a victim. and less than ten minutes later, at 6:04 p.m, a report of gunshots fired at a parking control officer at eighth and brannan came in. all units responded to that. >> i gave the exact location between brannan and townsend street on the embarcadero, and that there's an active attempted kidnaping happening. >> and no response. >> no response. >> alyssa says the grandmother was going car to car, knocking on windows of vehicles in traffic, trying to get help. alyssa, her husband, and a random uber driver were the only ones to step in and do something. >> so the three of us, my husband and the gentleman in the uber and myself, we assisted with getting the attacker away who took off down the street. and then we got the grandmother and the baby safe, calm and able to return home. >> police say no arrests have been made. >> she had just the hollowed out, sunken look for her features. and then just those bright red, chapped lips. my husband and i have se