Reader J wants to know what can be done about harassment by e-mail or regular mail.

"I have of course reported the matter to Okayama Police HQ. Is there a department at the NPA in Tokyo technically equipped to deal with cyber-stalking and able to subpoena (the server) in Hong Kong to reveal the abusive mailer and stalker's identity?"

There is a special department at the National Police Agency that targets cyber-crime. You can find it at www.npa.go.jp/cyber/english/policy/hightech_prog.htm. There is also an Unauthorized Computer Access Law at www.npa.go.jp/cyber/english/legislation/ucalaw.html. The main NPA Web site is at www.npa.go.jp. You can also call the National Police Agency directly on (03) 3581-4321 and, yes, they do have someone who speaks English.