A cashier at the Staples in Mamaroneck has been charged with stealing , then selling , 50 customers ' credit card numbers , leading to $ 181,800 in credit card fraud , according to a Westchester County Police press release . Valerie Fajardo , a 21 - year - old from the Bronx , was arrested at the store on 2444 Boston Post Road on Tuesday at 1:45 p.m. by Westchester County Police . She is accused of using a skimming device to capture the credit card information . Police seized the device at Fajardo 's Morris Avenue home . ;