Military officials quickly discounted the tape but continued to review it.
Officials discount the usual calls from rival bankers saying they could get better prices.
Officials later discounted involvement by either man in the Brawley case.
He said some of the material may be leaking into a creek, but other officials discounted the possibility.
But officials closest to the investigation have discounted or ruled out those theories.
The officials discount the possibility of a coup, but they worry about his political support leaching away.
A local doctor cited a nerve or chemical agent as a possible cause, but other officials discounted that.
While officials discounted any link, the latest killings have deeply disturbed the city.
In fact, officials said, top policy makers reviewed the prospects for an invasion several times, but largely discounted them.
Whether such a conclusion was widespread was impossible to judge tonight, but some officials discounted the idea.