The investigation has also widened to include Mr. Chatichai and his family.

The police said they expect the investigation to widen, but they would not elaborate.

An investigation into the shooting of a 17-year-old suspected of driving a car stolen from a police officer's mother widened today.

The subpoena is an indication that the government's investigation is widening.

The investigation, which began with a tip in January, has widened to include other dealers and collectors.

For the last several months, an investigation into Alcatel has been steadily widening.

The investigations of fraudulent trading at mutual fund companies is widening.

The investigation later widened to include more aspects of the city's patronage system.

Subsequently, the investigation widened in search of the organizers and planners of the murder.

Though regulators declined to comment on Alliance yesterday, they have said recently that their investigation is widening to include many fund companies.