"Said I should deal only with some new guy, who's now heading the investigation."

George Black, the safety board member heading the investigation, called the development "a very good lead."

Now tell me who's heading the investigation to find Rowan.

That's why I chose him to head the investigation.

"Lieutenant Dallas heads the investigation and reports solely to me."

I mean you have to expect some interest if your husband is appointed to head the investigation over the heads of the local police.

An analysis by the Russian nuclear engineer who headed the official investigation of the 1986 disaster.

Pierre thinks it would be best if you headed the investigation.

He doesn't trust me, or he hasn't decided I'm competent to head the investigation.

"If they're called in, which team heads the investigation?"