something, i was at the other end of the loch at fort augustus and something shot through the bay as if a torpedo went through the bay. as it hit each wave, it would splash up white water. and there's no simple explanation in loch ness for what that could have been. >> dinsdale's film also inspires marine biologist adrian shine to identify once and for all what lies beneath the surface of lake ness. >> it is an amalgam of many things put together by human perception, by human aspiration. we'd all love there to be something there. >> adrian's loch ness project has organized dozens of expeditions from operation deep scan, a 24-boat sonar exploration in 1987, to submarine searches, and even an exorcism.