Mental Disability, Violence, and Future Dangerousness

When horrific acts of violence take place, events such as massacres in Boston, Newtown, CT, and Aurora, CO, people want answers. Who would commit such a thoughtless act of violence? What in their backgrounds could make them so inhumane, cruel, and evil? Often, people assume immediately that the perpetrator must have a mental disorder, and in some cases that does prove to be the case. But the assumption that most people with mental disorders are violent, prone to act out, and a threat to others a