We were greatly aided in our investigation by the police.

警方对我们的调查帮助很大。

youdao

Questionnaires and interviews were used in our investigation.

调查以问卷和访谈方式进行。

youdao

We were outstandingly aided in our investigation by the cooperation of the police.

咱们在检查的过程中得到警方的大力协助。

youdao

"We want to assure everybody that our airports are very safe, having just passed American Investigation and Security Administration audit in November 2009.

VOA: standard.2009.12.28

Boston Police Commissioner Edward Davis. "As soon as there was a nexus to Boston in this investigation, we began to send additional information out to all of our patrol officers - information about IEDS, information about VBEDS, vehicle-borne explosive devices."

VOA: standard.2010.05.14

At this point in our investigation, there is nothing outside of the building that leads us to believe that anyone else is at risk.

CNN: Sources: Anthrax possibly linked to lab

One of the many things we noticed in our investigation is that in the past, assurances that certain chemicals are completely safe have often turned out to be false.

CNN: A toxic history lesson

As you'll see in our investigation after the break, the company itself hasn't been on the level with its customers, even as it became clear that operations were coming apart at the seams.

ENGADGET: Ginsu knives, psychic hotlines and a $90 tablet: the story behind the Matrix One (update: more details)