Mike Proctor, a detective based in California with over 20 years of experience in dealing with stalking cases, says that more and more include internetharassment.
In Germany a senior detective specialising in cybercrime in Frankfurt am Main, Birgit Roth, says that internetharassment is present in some 40% of stalking cases that her force investigates.
New York-based cyber lawyer Parry Aftab says that targeting an individual on the Internet - by sending nasty E-mail, leaving offensive messages in guestbooks or posting misinformation about them - constitutes harassment and stalking.