How could something like this been prevented? Unfortunately, we all know that suicide is a permanent ending to a problem that is only temporary.
There are a lot of great suicide prevention organizations out there right now that work to assist people with problems that make them come to the point of feeling suicidal. If you or anyone you know ever becomes suicidal you should definitely consult these resources:
Suicide Prevention Recourse Center
American Foundation for Suicide Prevention
National Suicide Prevention Lifeline - 1-800-273-TALK
SAVE