Well you could investigate and restrict the conditions allowing the of and monitoring of psychotropic drugs in young boys, but then that would be too much like solving the problem.
The saddest part is that Nick didn't shoot his parents. If anyone should have been shot it was them.
While I'm here....Fox News quoted him as saying he "heard voices"......anything to do with this patent I wonder??
https://patents.google.com/patent/US4877027
That still won’t be practical on a secular level. What, maybe 99.999999% of pediatric SSRI users go on to perpetrate nothing worse than misdemeanors?