"Oregon community college gunman 'left behind manifesto" BBC News, by US Canada, ( 6 October 2015), Man suffering from Asperger's syndrome kills himself and his classmates at Oregon Community college.

Chris Harper was a student and Oregon community college that killed himself and his classmates in a clashroom, he suffered from Asperger's syndrome and often carried weapons. Nine people were killed  in the college. Reasons why he did this is not yet known but he did complain about not having a girlfriend. A survivor explains that a flash drive was given to him. The gunman forced the survivor to watch his class mates die and deliver an envelope of flash drives to the police after. The gunman lived with his mother that suffered the same condition he did and said that he was kicked out of the army because he couldn't complete basic training. President Obama visited the families of the victims and relatives of the victims to help them through this hard time.