Very irregular in their movement and especially someone who has habitten would have been irregular. i suspect that s what happened. jane: professor, i know we talked about this a bit yesterday, but these are so rare, particularly in this county, they haven t had a fatal shark attack as long as they ve been keeping records. what do you think happened here? would this shark be provoked in some way? no. i think this is a classical case of a larger shark viewing a human that was appropriate size, and it made one grab that was unfortunately in its placement that it hit a couple major blood vessels, and the victim died. jane: one last very quick question for you, professor, what do you tell other surfers, kite borders, swimmers out