If you get suspicious Private Messages,
examples include
-Spam
-Vague inquiries about buying costumes and immediately demanding paypal information
-Inappropriate advances or comments
-Suspicious solitications for "private photoshoots or meetings", etc

Just e-mail genjitsu@acparadise.com and cosplaystaff@acparadise.com
with the Subject as [ACP] User Sending Suspicious Private Messages
Include a screencap of the PM to include the username before you delete it so we can take appropriate action.