TV Writer William Hasley, Co-Author of Caitlyn Jenner Book, Dies at 78 While Hiking Runyon Canyon

Summary

William Hasley, a 78-year-old TV writer who worked on "The Smurfs" and co-wrote an inspirational book with Caitlyn Jenner, was identified as the hiker found dead on the Runyon Canyon trail in Hollywood. He was previously married to actress Robin Riker. His death occurred just two weeks after another hiker died of cardiac arrest on the same trail.