Teen Who Raped Then Killed Math Teacher SentencedPhillip Chism was sentenced to serve at least 40 years for the rape and murder of Colleen Ritzer. NECN Reports.Teen Who Raped Then Killed Math Teacher Sentenced01:32PrintFeb. 27, 2016, 12:35 AM UTC / Updated Feb. 27, 2016, 12:35 AM UTC
