1.   A man calls the security desk at City Hall and says there is a note about the subway killings under the Washington Post vending machine outside the building.

2.   But civil rights concerns seem to be secondary for most Japanese, who have been deeply shaken by the subway killings and the wave of violence that has followed.

3.   In that case, seven people died of poisoning by sarin, the same nerve gas used in the Tokyo subway killings.

4.   None has been linked directly to the subway killings, however.

5.   The investigation into the subway killings has mushroomed into the biggest criminal search operation ever conducted in Japan.

6.   The investigation into the subway killings has ballooned into the biggest criminal search operation ever conducted in Japan.

7.   The subway killings have been followed by a series of crimes that have deeply rattled the Japanese sense of security.

8.   The subway killings set off a series of crimes that have deeply rattled the Japanese sense of security.

9.   To press those charges, authorities would not need to prove that the cult was involved in the subway killings, only that it was producing nerve gas.

10.   Kunimatsu is in charge of the investigation into Aum Supreme Truth, the doomsday sect that is now chief suspect in the subway killing.