An investigative grand jury will form next month in Pittsburgh, and some officials believe it might gradually shift its focus toward possible corruption in the gambling industry.

Attorney General Tom Corbett is empaneling the grand jury to focus on public corruption and organized crime, and possibly environmental crimes and insurance fraud, spokesman Kevin Harley said Friday.

He would not comment about gambling, but other officials said they believe the licensing and development of casinos in Pennsylvania will become the grand jury's focus.

A grand jury that expired and will be replaced with this one heard testimony related to casinos. When a grand jury convenes, prosecutors summarize for the jurors unfinished business from the previous jury, Harley said.