“Start looking into why psychiatric drugs are being distributed by doctors like candy”.
Especially in view of the fact that EVERY one of these shootings over the past 20 years are connected to the use of SSRI drugs which come with the warning of suicidal and homicidal thoughts.
Other things are conducive to madness. So the drugs might not even be so much wrong as misfocused. Like aspirin for a broken leg, but no cast.