So she decided to risk an unannounced visit again.

It is a bit late for such an unannounced visit.

Could this be the elusive Wizard, on an unannounced visit?

"I like to make an unannounced visit to a mess every once in a while."

Marissa decided that she'd pay the man an unannounced visit.

Again investigators were asked by the rabbi to stop the unannounced visits.

Perhaps their unannounced visit would give her the data she needed.

Inspectors will include smoking on the list of what they check during unannounced visits, made at least once a year.

Where the circumstances merit an unannounced visit this can still be done.

Last Monday this reporter was turned away at the office while making an unannounced visit.