The Importance of Drugs in Teenage Homicide

CNN's Scott Zamost looks back at the case of a teen who was killed by her ex-boyfriend. He says drugs often play a part in teens' deaths, whether they're buying or even selling them. "I think she tried to talk to Donald, but finally realized that she wasn't getting anywhere," he says about his daughter Katie. 'They were mean to her and I think she trying to talk to him,' Pam adds.