This is why we want Russia to take part in the investigation.

No major developments took place in the investigation since late March 2007.

Reportedly, Elisa failed a polygraph test she had taken early in the investigation.

The officer reported the bribe offer and took part in the investigation.

He said the Government would give some of the money to New York agencies that took part in the investigation.

I intend you shall take an active part in the investigation.

American and British officials are being invited to take part in the investigation.

She had taken very little part in the investigation.

Being the local police representative, he took part in the investigation and even answered questions from the national media concerning the case.

Beginning in 1922, several commissions took part in the technical investigation of the building.