Here is a whois on arcadeshopper.com incase you need any of this info:
Registrant:
Unicom (ARCADESHOPPER-DOM)
16200 S.W. Pacific Highway Suite H
Tigard, OR 97224
US
Domain Name: ARCADESHOPPER.COM
Administrative Contact:
McGill, Gregory (GM575) acker_42@YAHOO.COM
The Keep Information Services
16200 SW Pacific Highway Suite H PMB 144
Tigard, OR 97224
US
(503)803-2533 (503)443-6185
Technical Contact:
Internet Division (CS336-ORG) webmaster@UCI.NET
Unicom
610 SW Alder Suite 1020
Portland, OR 97205
US
800-350-2125
Fax- 503-228-8917
Record expires on 08-May-2005.
Record created on 08-May-2000.
Database last updated on 20-Aug-2002 17:04:01 EDT.
Perhaps it would be a good time to contact law enforcement?