The Federal Bureau of Investigation (FBI) recently issued a warning, alerting smartphone users to a nationwide scam where fraudsters impersonate FBI and other law enforcement personnel to deceive victims into sending money. It is reported that the scammers use 'spoofed caller ID' techniques to disguise themselves as FBI phone numbers, falsely claiming that the victims will be arrested unless they pay immediately. The FBI has made it clear that the agency will never ask the public to pay money over the phone to avoid criminal charges. (Forbes)