Former classmates describe accused Brown shooter as ‘brilliant’ but arrogant and difficult

As investigators work to find a motive behind the mass shooting at Brown University and the slaying of an acclaimed MIT professor, former classmates of the accused killer described him as a brilliant but exceptionally difficult student.

​ As investigators work to find a motive behind the mass shooting at Brown University and the slaying of an acclaimed MIT professor, former classmates of the accused killer described him as a brilliant but exceptionally difficult student. Read More Breaking News, Latest News and Videos | CNN