The changes at Marsh are taking place as investigations into the insurance business are broadening across the country.

Since announcing the settlement with Canary, the investigation has broadened to cover a growing list of mutual fund managers, hedge funds and brokers.

The investigation broadened to other possible conflicts that involved Mr. Griles.

He also said the investigation had broadened to include other managing agents, contractors and superintendents.

Since then, the investigation into his finances has broadened.

The investigation into scandal in the government was broadening and the newspapers were full of lurid details.

The investigation, by the Police and Civil Service Departments, has broadened to include the two earlier tests.

At the same time, the investigation broadened to other states.

The investigation into the killing broadened with scrutiny of a five-month-old shooting involving the victim's cousin.

The city's investigation has broadened since this summer as more and more cases have come to light.