EXECUTIVE SUMMARY
At least four people died and ten others sustained injuries after a horrific mass shooting erupted during a child's birthday celebration in California.
Details remain preliminary, and this is a fluid, developing situation. But as more information has emerged, authorities, witnesses, medical responders, and community leaders are beginning to paint a fuller picture of what happened, why it has struck such a deep chord locally, and how Stockton is moving forward in the aftermath.
Parents scrambled to shield their children. Some grabbed blankets, some…