Boulder's Sigma Pi fraternity expelled over allegations it served alcohol to recruits – Boulder Daily Camera
Boulder's Sigma Pi fraternity shut down amid possible drugging allegations
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Total Frat Move on Twitter: "Kappa Sigma At CU Boulder Threw “Beachapalooza 2016” And It Was Basically Spring Break In Their Backyard (VIDEO) >> https://t.co/fgEfnv9zEQ https://t.co/heaoZa64rV" / Twitter
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Boulder fraternities, CU improving relationship after 7 years – Colorado Daily
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Kappa Sigma Fraternity - RECORD BROKEN! Congratulations to the Brothers of Gamma-Tau at the University of Colorado - Boulder on their record-breaking fall pledge class with 68 men! #AEKDB #ChampionQuest #RunItBack | Facebook
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Rush Kappa Sigma — CU Kappa Sigma
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Boulder fraternities fined for public health violations