The commission began a formal inquiry into their procurement practices.

After a full week of formal inquiry, no simple explanation has emerged.

No formal inquiry was held until four years later.

A formal independent inquiry found that there was no substance to the allegations.

Democrats failed to get the committee to open a formal inquiry into them.

She said the agency was still examining data and had not decided whether to begin a formal inquiry, which could lead to a recall.

Last month, the investigation was upgraded to a formal inquiry.

"There are many formal inquiries that result in no charges being brought."

Bring on the formal inquiry with a respectable judge, when we can actually get some sense out of this.

But it is unclear if a formal inquiry has begun.