You may want to keep a close eye on your debit and credit card statements, especially if you bought gas at the San Miguel Chevron over the weekend. According to the San Luis Obispo County Sheriff’s Office, six of the gas station’s eight pumps had card skimmers installed. Yesterday, a station employee noticed the security tape on the pumps had been tampered with and called the Sheriff’s Office. Investigators say surveillance video shows someone installing the skimmers on Thursday. Meaning someone was collecting debit and credit card data throughout last weekend.