"Never Too Late": Nate Burleson dives into open water with a shark encounter / Shark attack horror as drone footage captures missing surfer being killed at Australian beach / Horror shark attack leaves woman fighting for life after having huge chunk bitten off leg / Brit fisherman, 30, savaged by shark in horror attack that ripped open 3 of his arteries after hooking it on his line / Tourists killed in vicious shark attack as one has arm torn off and another drowns / Canadian woman loses both hands after shark encounter in Turks and Caicos / Tourist loses hands in 'nightmare' shark attack / Not a tall tale! U.S. saw a massive drop in the number of unprovoked shark attacks in the last year / Shark mauls woman to death in horror attack off popular beach / Egypt: Italian man killed in Red Sea shark attack