CNN The Lead With Jake Tapper October 25, 2013 20:13:00
Questions linger about what motivated a 14-year-old boy described as quiet and friendly to allegedly kill a beloved math teacher on school property earlier this week. but we are learning new information about what happened the day of the murder. investigators say colleen ritzer asked the suspect who has been identified as philip chism to stay behind after class when she noticed him doodling. hours later, police say the student killed ritzer with a box cutter in the girls' bathroom. cnn's don lemon is live in danvers, massachusetts. you just spoke to someone from the district attorney's office....