The only way to truly prevent these tragedies, not just to the scope of the tragedies, is to focus on the mental illnesses at their root. The current process of diagnosing these brain conditions based upon subjective tests and symptom clusters is simply not good enough.
There is promising research in blood testing, brain scans, and other screening technology; but our nation does not have a concerted and well-funded effort to move this research beyond the lab and into the hands of clinicians and the desperate families they serve.
America cannot afford to wait for someone else to solve this medical technology problem.