ORANGE - The FBI is stepping in to assist after significant amounts of money went missing at an Orange church.Leaders of Saint Barbara Greek Orthodox Church say they noticed vast amounts of money were missing from several accounts managed by a church member last week. State Representative Themis Klarides, a member of the church, says it is believed the man who was handling the money is responsible. She says the man has not been around recently and no longer has access to church accounts.The church is not identifying the man while officials continue their investigation.