He promised the tribe "a thorough and effective investigation."

I am only a monk who, a long time ago, conducted some effective inquisitorial investigations.

They also ignore the responsibility of the relevant parties under international law to conduct prompt, thorough, effective and independent investigations.

This new regulation will enable more effective investigations to be carried out by Commission anti-fraud inspectors.

It is encouraging that several of the recommendations in the report are about increased control and more effective investigations.

We can easily ensure effective investigations without handing them over to supranational authorities.

However, I believe there is an effective and credible investigation taking place.

The Center seeks to develop perspectives and approaches that lead to effective cooperative investigations.

B'Tselem demanded that an independent and effective investigation conducted by non-military officials be launched immediately.

"I have decided to take a leave of absence," he added, "so that the police can carry out a quiet and effective investigation."