Ethan Crumbley, a 15-year-old charged with killing four students and injuring seven others during a shooting rampage at at a Michigan high school in November, will pursue a defense of insanity, according to a court notice filed by his lawyers Thursday, hours after a civil lawsuit was filed against his family and school officials.... [+]Crumbley now must undergo a psychiatric evaluation, which is needed for an insanity defense under Michigan law.
, filed a lawsuit Thursday morning, alleging school officials and Crumbley’s parents were negligent prior to the attack. Two other students who survived the shootingof involuntary manslaughter. Prosecutors allege Crumbley’s parents were negligent when school officials called them to the school the morning of the shooting to discuss a violent note depicting a gun and the words, “The thoughts won’t stop help me” on his desk.