One potential sign of fraud, she said, is an unusually large transaction.
Mr. Gehan found that the smaller group of records contained potential evidence of fraud and other crimes.
In recent weeks, agents of the Federal Bureau of Investigation arrived unannounced at the homes of some broadband executives, confronting them with what the agents said was potential evidence of fraud.
Garrett's Republican colleagues quizzed Geithner about why, if this appeared to be a potential act of fraud, he had not informed the US justice department.
Unlike in past votes here, this time the government did not invite observers from the Organization of American States or the European Union, opening itself to potential claims of fraud.
Simple "exception reports" should have pointed out potential areas of fraud well before the amounts billed by Dr. Dolly Rosen, the dentist mentioned in your series on Medicaid, became excessive.
This could result in a disastrous balkanization of oversight, meaning that every Wall Street firm would have to cut its private deal with every state attorney general or face the potential threat of fraud charges.
A previous judgment, cited by the appeal court, spelled out the dangers of the police "soliciting" finds from potential victims of fraud – which they had not done in this case – warning it was "fraught with danger.
Separately, Giovanni Kessler, the director general of OLAF, the European anti-fraud office, told the MEPs his agency had opened four investigations into potential cases of fraud against the European Union "on the basis of an analysis of information related to the Panama Papers and of information obtained from other sources".
They say the figure "may come down a little bit" because of some potential cases of fraud.
