his rescue is becoming a race against the clock. the odds of william surviving through the night are not good. >> we really had a very finite amount of time to find him. it was really getting down to the wire at that point. >> and just as the sun begins to set, william is spotted. another searcher records the action. >> i was actually pretty astonished that we were able to find him. when we look at the distance off shore, i was even more amazed. >> by the time officer kelly's boat gets alongside the bewildered william, they are more than 2 1/2 miles from shore. but the horse is reluctant to be rescued. >> ryan, can i be of any help? >> i might need you as a counterweight here in a minute. i think we're okay, though. >> unfortunately, the closer his boat got to ours, that agitated the horse even more. >> finding william alive is a