Their work has without doubt led to higher standards of efficiency and integrity by national investigators.
The link to cancer was first noted in 1968 and confirmed by later investigators.
So far, however, there has been no follow-up by Russian investigators.
Quest then indicated for the first time that it had been given similar guidance by federal investigators.
It means closer scrutiny of the books by federal investigators.
He also invoked his right under the police union contract to wait two working days before questioning by investigators.
In some cases, employees were locked out of their offices for days and questioned by investigators, they said.
At the center of the legal dispute are the interview methods used with very young children by investigators, usually police officers or child abuse workers.
This process typically takes many months of work by investigators, organized into committees.
More than 80 companies have disclosed that their options practices are under review by federal investigators.