The authorities are now conducting an extensive manhunt for Albert Fletcher.

British Intelligence will mount the most extensive manhunt in England's history.

The police immediately started an extensive manhunt on the surroundings of the house.

He was not found, despite an extensive manhunt and at least two appearances on the television program "America's Most Wanted."

Despite the extensive manhunt, she was not found for 10 days.

An extensive manhunt followed, but the killer has never been identified.

Then, having done so, you fled through an extensive manhunt.

Despite extensive manhunts, her current whereabouts are unknown.

Despite an extensive manhunt, no sign of him was found, and he would not be recaptured for nearly two years.