Chism, at age 17, was convicted of raping and killing Danvers High teacher Colleen Ritzer, 24, on Oct. 22, 2013, in a ...

CCTV of Philip Chism after the murder of teacher Colleen Ritzer. The CCTV was shown in court during Philip Chism's murder trialKiller: CCTV of Philip Chism after the murder of teacher Colleen ...

Chism was convicted of killing his Danvers High School math teacher, Colleen Ritzer, in 2013 when he was 14. Ritzer, who lived in Andover at the time, was a graduate of Assumption College in ...

Students who spoke to The Globe said 24-year-old Colleen Ritzer saw Danvers ... a box cutter to school and used it to kill Ritzer, a well-liked teacher, a source close to the investigation told ...

Students who spoke to The Globe said 24-year-old Colleen Ritzer saw Danvers ... a box cutter to school and used it to kill Ritzer, a well-liked teacher, a source close to the investigation told ...