>> lyle and erik arrived late to the service in a chauffeured limousine. they'd spent the night before in the ultra chic hotel bel-air. >> how'd they'd behave when they were there? >> lyle menendez was -- very cool, calm and collected. >> kitty's sister joan was at the memorial too and heard something disturbing about jose. >> several men that worked with jose talked to me at that memorial service and told me how he loved to humiliate other men. >> pretty shocking thing to hear at somebody's memorial service, isn't it? >> uh-huh. yeah. not very memorial. >> so, jose had made enemies. the brothers confirmed it. and knew where to point the finger. >> they indicated that their father was involved in -- in some -- shady business contacts. and one in particular was a gentleman by the name of noel bloom -- >> that name again, noel bloom had founded the company that became known as