US Homeland Security says it seized 30k+ SIM cards in June and July in a nationwide operation it claims dismantled infrastructure used in telephone fraud (Lorelei Smillie/Bloomberg)

Lorelei Smillie / Bloomberg: US Homeland Security says it seized 30k+ SIM cards in June and July in a nationwide operation it claims dismantled infrastructure used in telephone fraud — US Homeland Security Investigations recently seized more than 30,000 mobile phone SIM cards from sites around the country …