No credible investigation into the murder has ever been carried out.

So at this point, what's important is again to launch a credible investigation.

We supported the demands for a thorough and credible investigation by independent and impartial experts.

So should a credible investigation of the fire itself.

When a high-ranking Government official comes under suspicion, the existing Federal machinery often cannot do a credible investigation.

A credible investigation into the murder can help to calm the waves, but only if everybody keeps a level head.

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

They also called for a prompt, impartial, credible and transparent investigation conforming to international standards.

Pillay called for "credible, independent and transparent" investigations into possible violations of humanitarian law.

The meeting here is likely to focus largely on operational issues like ways in which credible investigations of countries' rights records can be conducted.