Colleen Ritzer, Massachusetts teacher, murdered

Massachusetts authorities on Wednesday charged a 14-year-old high school student in the murder of Colleen Ritzer, 24, a math teacher after finding the Ritzer's body in woods near the school.

The student, Philip Chism, pleaded not guilty to the murder charge and was ordered held without bail in a brief proceeding at Salem District Court, according to the clerk's office. (Reuters)