Did Mental Illness Make Him Do It???

Empty School Corridor

In a recent post Mental Illness Didn’t Make Him Do It, author Jonathan Foiles, makes a case that mental illness was not the reason behind Nikolas Cruz shooting of school children in the Florida. While the arguments seem justified, they miss taking an evidence-based approach to testing some crucial hypothesis about the shooting massacres that go on happening regularly in USA. The questions we should be asking are:

  1. Percentage of mass shooting perpetrators that had mental illness (not only schizophrenia)
  2. Were these mental illnesses among those that can make us get violent and get pleasure from inflicting pain on others
  3.  Were there enough checks in place to screen such people from getting access to weapons.

There are a lot of pathologically ill people out there who are making a case for the sale of firearms and lobbying against tightening of regulation. There underlying motive is of course profit. We should be alarmed that in this age and time when we have instant access to news and moments that are unfolding across the globe, such manipulation of public policy is allowed.


The post Mental Illness Didn’t Make Him Do It is Reproduced Below:

It’s happened again. Yesterday afternoon, a gunman opened fire at a high school in Parkland, Florida, killing 17 people and gravely wounding several others. The news plays the familiar videos of teenagers proceeding out of their school single file, SWAT teams patrolling hallways and classrooms, interviews with students who survived and their parents. As images of the shooter play across our televisions and computers, the familiar question arises: “Why?” Many were quick to offer an answer: because the gunman was mentally ill.

The New York Times reported that the family with whom he was staying following the death of his mother noticed signs of depression, but nothing suggesting that he was capable of such brutality. The Washington Post ran a story on the shooter with the headline: “Florida shooting suspect Nikolas Cruz: guns, depression and a life in trouble.” This morning, the President tweeted, “So many signs that the shooter was mentally disturbed,” and encouraged anyone noticing such signs to alert the authorities. The suggestion is clear: Mental illness made him do it. But is that how it works?

The supposed link between mental illness and violence is so ingrained in our culture that stories like the above need only suggest that the perpetrator was depressed in order to satisfy a need for an explanation. Research reveals a far different story, however. People with mental illnesses are actually far more likely to be victims rather than perpetrators of violence (Appleby et. al., 2001). Those with severe mental illnesses (schizophrenia, bipolar disorder, psychosis) are actually 2.5 times more likely to be victims of a violent crime than the general population (Hiday, 2006). A 2011 study found that in order to prevent one violent homicide by a person with schizophrenia, 35,000 patients deemed to be at a high risk of violence would need to be detained (Large et. al., 2011). And yet the link persists. A 2013 survey conducted after the Newtown shooting found that 46 percent of Americans believe that persons with a serious mental illness are “far more dangerous than the general population” (Barry et. al., 2013).

The stereotype about violence and mental illness is not just inaccurate; it is dangerous. Every story that suggests a causal link between mental illness and violence further increases the stigma of having a mental illness, making it less likely that those experiencing a mental illness will seek help. This supposed link also hurts the general population, because it communicates the implicit message that mental illness is something to be feared. This further isolates those with mental illness from the surrounding community, when we know that being integrated into society increases functioning and well-being for those with a mental illness. Finally, the stereotype is just lazy; it lets us off the hook far too easily. If we can blame violence on the perpetrator’s mental illness, then we don’t have to dig back too far into his history to find the ways in which we failed to notice warning signs, or the ways in which our gun laws enable civilian access to military weapons, among other things.

Why did he do it? We don’t know. It’s all too human to wonder; our minds struggle with ambiguity. If and when we find out, it will never fully explain how someone could murder 17 of their former classmates and teachers in cold blood. We do know one thing, though: Mental illness didn’t make him do it.


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