McWane is now the subject of a sweeping federal investigation.

A sweeping investigation by national tyre company Superdrive spotlighted a huge number of drivers breaking the law.

A sweeping investigation into the backdating of stock options at more than 100 companies has so far led to relatively few enforcement actions or resolutions.

Three other big military contractors have pleaded guilty to similar charges as part of the Government's sweeping investigations into improper procurement practices.

An executive at the American International Group, the insurance giant, has been put on leave amid a sweeping investigation into the company's accounting.

Both cases grew out of a sweeping investigation into corruption at the House Post Office.

This inquiry is separate from the more sweeping investigation of illegal trading on Chicago's commodity exchanges.

The rape case prompted sweeping internal investigations at Duke and the resignation of the lacrosse coach.

Arrested in 2003, he is the only person to face charges arising out of a sweeping French investigation into the 2001 attacks.

Their accusations set in motion an 18-month investigation so sweeping that it involved more than 40 adults.