The failure to convict Salerno led prosecutors to believe that their case against the union might be weaker than they thought.

But the interviews and investigation led police officials and prosecutors to conclude that no crime had occurred, one law enforcement official said.

This creates concentric circles of suspicion that often lead special prosecutors far from their starting point.

The party's sympathy for Kurdish nationalism has led prosecutors to file a case aimed at dissolving it.

Instead, the focus on efficiency led defense lawyers and prosecutors alike to look realistically at the issues in each case.

But what remains at issue are the circumstances that led prosecutors to include the Bush information in the new indictment.

Which led prosecutors to a suspect, that was already incarcerated for another crime.

It's odd that their quest for justice has led the various regulators and prosecutors to big Wall Street firms.

That led prosecutors to ask for a dismissal of the charges, saying they would seek an expanded indictment.

One of them has led prosecutors to file a case against him.