The gunman robbed a man in front of a Wal-Mart store on Fletcher Parkway at about 10:13 p.m., according to El Cajon police. The robber struck again at 11:26 p.m., stealing a purse from a woman in front of a Vons supermarket at 2800 Fletcher Parkway.
The victims in both cases said the gunman was dressed in dark clothing and riding a bicycle.
Police said San Diego County Sheriff’s deputies were investigating a third robbery in the area that happened at about 9:23 p.m. The suspect in that case also used a gun and was riding a bicycle, they said.