School District Faces Two $100M Suits After Oxford Shootings

In the aftermath of a Michigan high school shooting that resulted in four deaths, $100 million lawsuits were filed against the Oxford Community School District and others, alleging insufficient protection for students. The incident left two sisters traumatized, one physically injured and the other emotionally scarred. A 15-year-old student and his parents were arrested, with the parents accused of ignoring warning signs of their son's intentions.

What does the lawsuit claim regarding the protection of students?

What psychological condition do the sisters suffer from as mentioned in the lawsuit?