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Timeline of the murder of Colleen Ritzer at Danvers High School

Danvers Police officers stood by as the high school was shut down due to a homicide investigation aton Oct. 23, 2013.
Danvers Police officers stood by as the high school was shut down due to a homicide investigation aton Oct. 23, 2013.Globe Staff/Wendy Maeda/File/Wendy Maeda

A timeline of events on Oct. 22 and Oct. 23, when 14-year-old student Philip Chism allegedly murdered popular Danvers High School teacher Colleen Ritzer.

October 22

2:54 p.m. - Danvers High School teacher Colleen Ritzer can be seen on video leaving her classroom and walking towards a woman’s restroom.

2:55 p.m. - Wearing a hood and gloves, suspect Philip Chism enters the same second-floor bathroom as Ritzer.

3:06 p.m. - A female student enters -- and then quickly exits -- the bathroom.

3:07 p.m. - Chism exits the bathroom, with a hood over his head.

3:14 p.m. - Chism is seen on camera pulling a green recycling bin toward the bathroom

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3:16 p.m. - Chism re-enters the bathroom with the recycling bin

3:22 p.m. - Chism exits the bathroom, pulling the recycling bin

3:23 p.m. to 3:32 p.m. - Chism is seen exiting the school and dragging the recycling bin toward a wooded area behind dumpsters that sit behind the school. He is wearing a ski mask.

3:30 p.m. - The mother of a Danvers High student sees Chism running away from the high school

4 p.m. - Chism, now barefoot, re-enters the school building.

4:05 p.m. - Chism re-enters the bathroom. A minute later, he leaves the bathroom and exits the school building.

4:30 p.m. - Chism goes to the Hollywood Hits movie theater in Danvers, watches a Woody Allen movie.

6:34 p.m. - Diana Chism calls Danvers police to report Philip Chism missing.

9 p.m. - Danvers High principal Sue Ambrozavitch sends mass e-mail to all school faculty and staff informing them that Philip Chism was missing.

9 p.m. - Ambrozavitch gets a call from a math teacher, who says Ritzer is also missing.

October 23

12:30 a.m. - Chism is picked up by police in Topsfield, who recognize him as missing child sought by Danvers police.

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Early morning hours - Ambrozavitch and police search the school and discover Ritzer’s car still in the parking lot but her personal belongings missing from her classroom.

Shortly before 3 a.m. - Ritzer’s body is found in the woods near the school.