Haunted Videos on Instagram: "On February 24, 2010, SeaWorld trainer Dawn Brancheau was killed during a show in Orlando when Tilikum - a 12,000-pound orca with a history of aggression - suddenly grabbed her by the ponytail and pulled her into the water. For more than 40 minutes, the massive whale thrashed and dragged her underwater as staff and spectators watched helplessly. Brancheau, one of SeaWorld's top trainers, became the third person linked to a fatal incident involving Tilikum. The attac