He e-mailed the trojan to users, saying it were a program to change colours on their TV displays.
However, the attached file altered the settings on the user's WebTV box making it dial 911 next time it attempted to connect to the internet.More info at VNUNet
Approximately 20 users are said to have received the email, and 10 reported that the local police either telephoned or visited their home in response to the emergency call.