Chicago gunman felt cheated over invention, police say
A truck driver who killed three people and wounded another at a law firm Friday apparently believed he’d been cheated over the invention of a toilet designed for tractor trailers, authorities said.
Joe Jackson, 59, was taken down by two SWAT snipers.
Police Supt. Phil Cline said Saturday that Jackson, armed with a snub-nosed revolver, sought out one attorney, Michael McKenna, an intellectual property specialist. After shooting him, Jackson continued firing at others in the 38th-floor office.
McKenna, 58, fellow lawyer Allen Hoover, 65, and firm employee Paul Goodson, 78, were all killed. Jackson also died, though it wasn’t clear whether he was killed by the sniper fire or from a self-inflicted wound.
Police sources said they remained unclear about Jackson’s invention and why he felt cheated. A dog-eared copy of McKenna’s business card was found in Jackson’s pocket, but investigators weren’t sure when or how Jackson got the card.
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