Forty-Nine Wednesday, December 22 Offshore of Roatan The Aggressor was tied up to the permanent buoy tie above the Dolphin’s Graveyard—or Dolphins’ Den, as some called it in an attempt to make the dive site sound less creepy. On the way there Eva and Thomas had reviewed a topography map that made the dive site look like a figure eight, with the eight being open to the sandy bottom below and the open water above. Everything else was just reef or rock, including the two columns in the middle of the figure eight. Thomas explained that he had dived the site before with some of his SEAL buddies, and had an idea about a particular cave he might want to search, one that he said was particularly well-hidden—and would be particularly suited to a predator like the Tylosaur. “Are you sure you’re

