Why Is Mackenzie Shirilla’s Family Still Speaking Out?

She was convicted of intentionally crashing her car at 100 mph, killing her boyfriend and his friend in a case prosecutors called a calculated act of murder. But years later, Mackenzie Shirilla’s family is still speaking out, defending her and raising questions about the evidence, the trial, and whether justice was truly served. Why are they refusing to stay silent? And what keeps fueling public fascination with one of the most divisive cases in recent memory? Court TV’s Vinnie Politan Investigates. MORE