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The serial killer Pedro Rodrigues Filho, active 1967-2003, in prison from 1973-2007 for 71 murders (47 in prison), again in prison from 2011-2018 for starting riots. Pedro is ranked 6th among serial
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Pedro Alonso López, the 'monster of the Andes' who murdered more than 300 girls and disappeared 23 years ago without a trace - Infobae
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