This week on Headline Highlights, a Missouri woman fatally stabs a paramedic during an ambulance ride to the hospital. In New Mexico, a couple is exposed for forcing their seven children to live in underground caves, enduring years of horrific abuse. A convicted felon in Florida brutally attacks two women, beating one and kidnapping the other, who is later hogtied inside a giant toolbox. A Florida teacher crosses the line by writing a disturbing love letter to a female student. In California, a woman is murdered, and the chilling crime is captured in a voicemail she left for a friend.