Visa joins MasterCard, AmEx in ending use for Backpage sex ads
July 01, 2015 at 13:10 PM EDT
CHICAGO, July 1 (Reuters) - Visa Inc said on Wednesday it is joining MasterCard Inc and American Express Co in barring its credit cards from being used to pay for ads on Backpage.com following a request from a Chicago sheriff who said the site is used by sex traffickers.