51.   Port Authority officials who spoke on the condition of anonymity said investigators searched parts of Newark International, Kennedy International and La Guardia Airports.

52.   Prosecutors said they still believed that there might be others involved in the bombing, and investigators are searching for them.

53.   Police investigators are searching for more corpses.

54.   That happened in July, when investigators searched the office of lawyer Yukihiko Sanada.

55.   The court stayed shut for two days while investigators searched in vain for signs of the bacterium, which can kill if left untreated after infection.

56.   The driveway there was still closed off as investigators searched the grounds.

57.   The investigators were searching for clues to help determine whether a fuel tank malfunction could have contributed to the crash.

58.   The investigators are still searching for the stolen scrolls and ornaments, which have not been recovered, and are looking into the possibility of other thefts.

59.   The investigators had been searching for a pit that was said to contain victims of political violence.

60.   The investigators searched its Lake Forest, Illinois, headquarters today.