One investigator estimated its speed at 90 miles per hour.

But independent investigators estimate the toll to be at least 10 times higher.

Investigators estimate that more than 50 percent of the airplane has been recovered.

Investigators estimated that the two men were earning $250,000 a month selling the plants.

In all, investigators estimated that several hundred thousand dollars was stolen between 2001 and last month.

Investigators therefore estimate that each woman need to pay $40,000 to $50,000 of her earnings to gain release.

Several investigators estimated that the salvage operation could be wrapped up in less than 10 days.

More than a decade later, investigators found 143 skeletons buried at the town, and estimated that 85% of them had been children under 14.

Investigators estimated that the teenager had collected a third of the materials he needed for a bomb.

The results were dramatic; moreover, the investigators estimated that the cost to treat patients would be around 70 cents per day.