It has come to her attention, however, that there may be some merit to the allegations of financial impropriety.

The conviction was marred by allegations of impropriety in the investigation.

The allegations of sexual impropriety, she said, "have been contrived."

Those charges were dismissed, but allegations of impropriety continued to be made by some.

There is no substantive basis at all to any allegation of impropriety.

In recent years, there have been allegations of financial impropriety by the group's now-former executive director.

He was involved in the oil-for-food scandal and had other allegations of impropriety.

It is fair and appropriate to pursue answers to any allegations of impropriety.

None of the allegations of impropriety appear to have been proven.

There had been the unproven allegations of sexual impropriety floated about the office.