Los Angeles Grim Sleeper serial killer Lonnie Franklin convicted of killing 9 women and a teen girl By Mary Papenfuss

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The 'Grim Sleeper' serial killer Lonnie David Franklin Jr., 63, stands at his arraignment in a Los Angeles courtroom in 2010. He has been convicted of ten counts of murder and one count of attempted murder.Reuters/Pool

A Los Angeles garbage truck driver nicknamed the Grim Sleeper has been convicted of killing nine women and a 15-year-old girl in Los Angeles area over a period of 30 years.It took the jury less than two days to convict Lonnie David Franklin Jr. of all the murders and an attempted murder of a woman who survived a vicious attack. Franklin, the most prolific killer in California history, targeted mostly poor young black women, some of them prostitutes.