This video not only. Webdawn brancheau, the last of the three victims, was a trainer at seaworld's orlando location for fifteen years before her untimely death at the age of 40 on february 24th, 2010. Webit was shown in an administrative hearing against sea world after one of its trainers dawn brancheau drowned at an orlando show after being dragged underwater. Webhowever, in 2010, an incident involving tilikum left guests at the park shocked and devastated after a show went wrong. Dawn brancheau had worked at the. Webtilikum did not just knock dawn brancheau over and drag her down to drown at the bottom of the pool. According to a source, he rose out of the water to snag. Webthe video was first presented last fall by federal regulators in defense of safety violations they issued against the park following a 2010 death of trainer dawn. Weblyndsey schemm tells the full story. Former seaworld trainer lyndsey schemm talks about the death of dawn brancheau who was killed by a whale 10 years. Webdawn brancheau died tragically on feb. 24, at age 40, after tilikum, the killer whale she was working with, pulled her to the bottom of the pool. Webon february 24th, 2010, seaworld trainer dawn brancheau was tragically killed during a routine show with tilikum, an orca with a troubled past. Born with a p. Webdawn brancheau was a sea world trainer who worked with various whales at sea world orlando. In 2010, she was tragically killed by tilikum, the largest killer. Webin this episode captures a shocking and tragic incident that unfolded during a performance at seaworld orlando's renowned shamu show.