State Police say Philip Chism confessed to murdering Colleen Ritzer; investigators want to see if his phone contains images of attack

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Authorities will conduct a forensic examination of Philip D. Chism’s shattered cellphone in an effort to determine whether the teenager took images when he allegedly raped and murdered Danvers High School teacher Colleen Ritzer in October.

In a search warrant affidavit released today, investigators also said that Chism, in an interview with police, had “admitted murdering Colleen Ritzer” but denied “having committed a sexual asault or any sexual touching of Ritzer whatsoever.”

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