Metro Police Department detective Michael Gomez said Southern Nevada residents should be wary of gas station pumps. He said skimmers — devices installed in gas pumps to steal credit card data — are one of the most prevalent scams in the valley. Michael Gomez, Metro Police Department There was a 10 percent increase in the number of payment cards compromised at ATMs and merchants in the U.S. in 2017, according to a March 2018 report from Silicon Valley analytic software firm FICO. A skimmer at just one gas pump can collect data from up to 100 cards per day, according to the National Association for Convenience Stores. Gomez suggested sticking to pumps with security stickers attached. Michael Gomez, Metro Police Department