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In the last decades some of the most violent gun attacks our society has had to experience have happened in schools and universities in an environment that is created as safe and friendly. The level of pain caused by such violent acts is not only increasing according to the number of people who have suffered, it is also extremely high due to shock and overall anger and bewilderment, as it is hard to understand why such tragedies happen. This book provides information about these devastating occurrences, explaining how and why have they happened. It is a highly valuable read.

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