The new documentary 'The Crash' is shaking viewers, and one name is on everyone's lips: Mackenzie Shirilla. TMZ is digging deep into the 19-year-old's past, exploring the tragic events that landed her in the spotlight. This isn't just a true-crime tale. It's a shocking look at a young life and the devastating consequences that changed everything. We've got the latest on the documentary and the woman at its core.