The man accused of killing nine people at a community college in Oregon left behind a manifesto detailing his grievances, US media report.
Chris Harper Mercer opened fire on Thursday inside a classroom at Umpqua Community College and then killed himself when police arrived.
A police source told the Associated Press that Mercer complained in the document about not having a girlfriend.
He also wrote that everyone else was "crazy" and that he was the sane one.
Mercer is also said to have written that other mass killers "were denied everything they deserved and wanted" before going on to say he did not believe anything could "make me realise I had so much going for me", People magazine reported, quoting a source close to the investigation.
Meanwhile President Barack Obama announced on Monday that he would travel to Roseburg, Oregon, on Friday to visit survivors and relatives of the victims.
Oregon community college gunman 'left behind manifesto' - BBC News
Chris Harper Mercer opened fire on Thursday inside a classroom at Umpqua Community College and then killed himself when police arrived.
A police source told the Associated Press that Mercer complained in the document about not having a girlfriend.
He also wrote that everyone else was "crazy" and that he was the sane one.
Mercer is also said to have written that other mass killers "were denied everything they deserved and wanted" before going on to say he did not believe anything could "make me realise I had so much going for me", People magazine reported, quoting a source close to the investigation.
Meanwhile President Barack Obama announced on Monday that he would travel to Roseburg, Oregon, on Friday to visit survivors and relatives of the victims.
Oregon community college gunman 'left behind manifesto' - BBC News


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