11.   Does the agent go back and try to learn more?

12.   During a break, the agent went outside and Ma gave him the coded pencils.

13.   During breaks in the interview, the two agents would go to another part of the plane and reconstruct the conversation, writing down their notes, Parr testified.

14.   Even as federal agents went about their business, two Oxford receptionists continued to answer calls.

15.   FBI agents then went to his house, eliciting his alleged confession in the extortion case.

16.   FBI agent goes undercover.

17.   Federal agents went door to door, peppering residents with questions about what they had seen.

18.   I wonder whether the agent is going to fly the plane, too.

19.   In the field, most agents just went through the motions.

20.   Instead, agents went out of their way to warn him of the threat.