and now in this very public way, they finally knew that carol was dead and he, their sweet mike, killed her. but the whole truth, was it actually out there somewhere? and so, on that cold and foggy january day, mike, surrounded by cops and lawyers, floated out into the midst to find carol, find whatever was left. >> if they find the cinder block in the ocean after the search, if they find that, that will give me half of the closure i need. >> she didn't get it, because after the boat ride, mike admitted his ocean tale was one more lie. and perhaps it was finally for the sake of his son, the son who never abandoned him, that he finally passed a polygraph and led investigators to the place he said mike's mother had actually been all these many years. police searched the area, but once again were unable to locate carol's remains and give the