North Florida credit unions helped the U.S. Secret Service and police in Jacksonville crack down on an ATM fraud that caused $300,000 in CU losses over 18 months. At least 15 gang members have been arressted. They allegedly took part in acquiring stolen cards and depositing bad checks into ATMs to later make withdrawals or purchases before the checks were returned-have been arrested. Accountholders were allegedly paid as much as $500 to provide the cards. Though 15 were arrested, Jacksonville police said they have as many as 100 suspects.