. >> reporter: chris lawrence, one of the trainers on stage that night disputes that account, telling hollywood reporter his version. he said a mistake by roy triggered the tiger. instead of walking him in a circle as is usually done he used his arm to steer him right fwhook his body. >> reporter: chris lawrence has come forward now. >> i know. >> reporter: saying that roy essentially was to blame. was he? >> no way. >> reporter: chris says that is a story to protect the brand. why do you think he says that? >> i have no idea. he had problems with his life anyway. so something he'll have to, i don't know. i don't know what goes on, i just know his life was full of problems. >> reporter: the details of the tragedy may never be truly s three are 74 and 80, the two doesn't seem to be slowing down. often greeting fans at the secret garden, aomplex on the grounds of the mirage where visitors can see lions and tigers. do you miss it? do you miss the stage? >> no, i really don't miss it. the stage in vegas, for 40 years on stage, you know, and we had the most successful showe history of las