Stafford-Johnson and local guide, Salim Ali, spent over 600 days following and filming Broken Tail and his family. Then, one day, Broken Tail simply disappeared. A year later, Johnson and Ali heard news that Broken Tail was killed by a train in Darra, 100 miles away from Ranthambhore. This discovery raised new questions. How did Broken Tail travel so far and why did he leave?