The press needs to investigate the Bush administration's true motives.
If the figures don't add up, you need to investigate as there could be stock security problems or a failure in the system.
The judge decided that he needed to investigate and asked her to return another day.
Then they do not need the financial resources to investigate potential fraud, let alone to go to trial.
In a perfect world, there would be no question which department needs to investigate.
That means there are three people we need to investigate.
After sitting silently for a moment, the president said, "I think we need to investigate this."
She said Congress needed to investigate further to determine how the program is run.
I believe that we need to investigate this area specifically with the internal market in mind.
I think that we need to investigate at any rate how this will take shape.