The key is to investigate as many homes as possible before the 11th hour.

"But let's do a little investigating before we declare this planet a war zone, okay?"

It had seemed wiser to investigate the minion before the master.

Sheriff Jordan is investigating four shootings here before primary day.

Maybe if you had let me investigate them before the wedding... No, he wanted her to tell him.

But they urged officials to investigate the complaints before the inauguration.

"I'll have a patrol investigate the quarry before anyone returns to work there."

That must include the power to investigate before firing.

In 2000 he presided over an important commission that investigated government financial procedures a few months before the general election.

He said that he had been investigating narcotics and gang cases before 2001.