31.   Smith said four FBI agents had been sent to Russia to assist the FSB in freeing the hostages.

32.   Security agents were sent to the airport, which remained open to normal traffic while the hijacked plane sat on the tarmac, officials said.

33.   The agents were sent because a U.S. citizen was among the injured.

34.   The agents were sent to the Cambodian capital Phnom Penh, and released and flown to Thailand four days after their capture.

35.   The Federal Aviation Administration found that out recently when it sent undercover agents to five major airports.

36.   Treasury will send agents from ATF, Customs and the Secret Service.

37.   Typically, after an invasion, the government National Agrarian Reform Institute sends agents to assess the situation before deciding whether to expropriate the lands in question.

38.   The Washington Post, citing an unnamed CIA official, had revealed that the spy agency sometimes sent its agents in and used US media identification as a cover.

39.   Nuclear and chemical weapons can be analyzed on board the vehicles while biological agents would be sent to a laboratory for examination.