To the editor: What has changed?

In the aftermath of terrible mass shooting tragedies, emotions are running high and rightfully so as the debate continues on what may have prevented these events from happening. Some will say weak gun control laws combined with possible missteps from law enforcement and a lack of appropriate access control are major factors. As the investigation unfolds all of these may very well be contributing factors. I think we need to look deeper than the last few years that may have led to these event