The killing of 19 children and two teachers in a Texas elementary school has put the spotlight back on gun control - for now.
But Robin Kowalski, a US-based professor of psychology who has studied school shooters, tells In the News that other factors are being overlooked, like rejection, bullying and mental health issues.
There are ways to tackle these problems. But when mental health is discussed in the context of mass shootings, it's more likely as a deflection from gun control proposals than with any genuine intention to tackle the problem.
Plus: Washington Correspondent Martin Wall on the investigation into police mishandling of the Robb Elementary shootings.
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