document: '' `` Westside Rapist '' '' pleads guilty to seven killings A former state insurance-claims adjuster pleaded guilty yesterday to seven sexually motivated strangulation killings of older women decades ago across Los Angeles County . John Floyd Thomas Jr. , 74 , whom Los Angeles police detectives called the '' `` Westside Rapist , '' '' pleaded guilty to the murders that took place in two waves , during the mid-1970s and the other a decade later . Los Angeles police described Thomas as one of the region 's most prolific killers , responsible for as many as 30 slayings and about two dozen sexual assaults . His plea in court yesterday was for seven killings . A break in the case came in 2008 , and Thomas was arrested in 2010 after DNA matches were made . - From wire reports
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