LOS ANGELES - A former police officer, accused of a vendetta-driven rampage against law enforcement, blames the Los Angeles police for many woes: his firing from the force, the end of his military career, and racism he says he encountered while employed by the police.

This week, Christopher Dorner's anger over those perceived slights turned deadly, according to authorities who accuse him of gunning down five people, killing three, and sparking a massive manhunt across a large swathe of Southern California.

In an online manifesto, the 33-year-old Dorner portrayed himself as a victim who was fired by the LAPD in 2008 for reporting a superior officer's use of excessive force while handcuffing a suspect the previous year.

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