Conntact the police.
Make a log book with calls, mail, email, ect... with time and dates.
Use answering machine to answer calls. One with tapes and save tapes.
Be sure to print the header of the email when printing. A header looks something like this.
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Received: (qmail 13994 invoked from network); 2 Mar 2004 06:12:35 -0000
Received: from nat5.amnet.co.cr (HELO rewdv) (196.40.3.39)
by mx10.mci.net with SMTP; 2 Mar 2004 06:12:35 -0000
Reply-To:
pokertoday999@hotmail.com
Return-Path:
pokertoday999@hotmail.com
From: oiywea<dasf@oihlknlk.com>
To:
youremail@server.com
Subject: ¼¼°è ÃÖ°í¸¦ ¼Ò°³ÇÕ´Ï´Ù...................484SC22UV36dPf
Date: Tue, 2 Mar 2004 15:12:59 +0900
Mime-Version: 1.0
Content-Type: text/html; charset="euc-kr"
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These records will help with the cops and in court to show your case.