The man purporting to be Robert Klingler sent one e-mail from the rk@ceo.na.bmw.com address. This is the complete "Internet header" information that accompanied that e-mail:

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Date: 23 Jan 2002 07:02:51 -0800
Message-ID: <20020123150251.17638.cpmta@c001.snv.cp.net>
X-Sent: 23 Jan 2002 15:02:51 GMT
Received: from [152.163.188.37] by mail.considianconsulting.com with HTTP;
23 Jan 2002 07:02:51 PST
Content-Type: text/plain
Content-Disposition: inline
Mime-Version: 1.0
To: [Eliza Truitt's e-mail address deleted]
From: rk@ceo.na.bmw.com
X-Mailer: Web Mail 3.9.3.5
X-Sent-From: ravi.desai@considianconsulting.com
Subject: BMW diary
Return-Path: ravi.desai@considianconsulting.com
X-OriginalArrivalTime: 23 Jan 2002 15:02:52.0776 (UTC) FILETIME=[07F89E80:01C1A41F]