Spam of the month: FBI needs answers!

This spam/worm made me laugh. The punctuation and spelling was amateurish, but I thought the social engineering trick (cause recipient to activate the 32.Sober.K@mm worm) was clever.

Return-Path:
Received: from hllqc.gov ([198.70.16.205])
From: Officer@fbi.gov
Date: Sun, 27 Feb 2005 21:56:38 GMT
Subject: You visit illegal websites

Dear Sir/Madam,

we have logged your IP-address on more than 40 illegal Websites.

Important: Please answer our questions!
The list of questions are attached.

Yours faithfully,
M. John Stellford

Federal Bureau of Investigation -FBI-
935 Pennsylvania Avenue, NW, Room 2130
Washington, DC 20535
(202) 324-3000

The link on the phone number is mine, the address and number is the FBI's.