Any fan of courtroom drama has seen the powerful influence that the testimony of an eyewitness can have on legal proceedings. But how reliable is our memory for events that we personally witness? In this lecture, we learn that much of what we remember is often a plausible reconstruction of what might have happened, rather than an accurate memory of what actually happened. We also discover just how susceptible eyewitness memories are to distortion, and how being asked seemingly innocuous questions can lead to substantial errors in our memory. Married couples, enter at your own risk.