Topic - Karl Hettinger

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Author Joseph Wambaugh poses Thursday, Dec. 7, 2007, in the Hollywood section of Los Angeles. In his new book "Hollywood Station," Wambaugh recalls the golden days of his beloved LAPD, when Jack Webb would intone on TV's Dragnet: "This is the city, Los Angeles, California." (AP Photo/Damian Dovarganes)

A look back at Joseph Wambaugh’s ‘The Onion Field’

By Paul Davis

Gregory Powell, who was convicted of killing a Los Angeles police officer during an infamous kidnapping in 1963 that inspired Joseph Wambaugh’s true-life crime novel, “The Onion Field,” has died in a California prison at age 79. (AP Photo/California Department of Corrections and Rehabilitation)

‘Onion Field’ killer Gregory Powell dies in Calif. prison

By Linda Deutsch - Associated Press