even though the zahau's attorney, keith greer, had an eyewitness willing to testify that he saw dinade the mansion that night . >> this eyewitness was adamant. he was very clear, no doubt about it. and it turned out to be wrong. >> in april 2017, after four years of litigation, the security camera video came to light. it is from the hospital were max shacknai was being treated -- the same night rebecca zahau died. clearly visible, dina shacknai. >> you look at that footage from the hospital and say, i am wrong and my witness is wrong. dina wasn't there. she was at the hospital provably. >> absolutely. i got mad. i got really mad. >> greer called a press conference to publicly eat some crow. >> when these pictures come out, you can't refute them. >> he removed dina from the lawsuit as well as her sister, nina. >> was that enough? >> human a public apology, and i would say that not as many people saw the public apology as continuous accusations against us. >> greer pushed forward anyway, with just one defendant, adam shacknai . >> that says to me this is some scattershot attempt and yo