John Bittrolff arraigned on charges of killing two women 20 years ago

John Bittrolff pleaded not guilty to murder charges in the slayings of Rita Tangredi and Colleen McNamee, whose bodies were found in Suffolk in 1993 and 1994, respectively. On July 22, 2014, Suffolk officials announced at a news conference that the suspect was connected to the murders based on DNA evidence. (Credit: Newsday/ Chuck Fadely, WCBS pool)

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