Source:
CBS/APThree people were killed and two more injured Friday in a California office complex shooting, police said.
The suspected gunman was among the dead and is believed to have self-inflicted wounds, Baldwin Park police Capt. Michael Taylor said.<snip>
The shooting occurred around 1:30 p.m. Friday at Southern California Edison offices inside a larger office complex in Irwindale.
There was no immediate word on what prompted the gunfire. Authorities were not saying whether the gunman worked at SoCal Edison or might have been a former employee.
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http://www.cbsnews.com/8301-201_162-57344484/3-dead-2-wounded-in-calif-office-shooting/?tag=stack
Other reports say the shooter was an employee of So Cal Edison and that his victims were company managers.