Cheated over toilet invention: Reason for Chicago shootings

[Jayems]

A man who felt cheated over "his" invention of toilets to be used in trucks stomed the office tower, took a security guard at gunpoint.. chained the patent office doors closed and killed 3 people before being taken out by a police sniper.

http://www.cnn.com/2006/US/12/08/chi....ap/index.html