and if they had thought that, that they would already have looked into it and not to worry about that. >> reporter: is that what detectives really believed? well, no. >> we had to sit there and look at him in the eye and say, we'll catch everybody who was involved. >> reporter: but not say we suspect him? >> exactly. >> reporter: they believed they simply couldn't tell charlie or the rest of the family what they were discovering. afraid that fred would find out and stop talking to them. so charlie stayed at home with his father. his uncle mark was allowed, even encouraged, to believe that fred was not involved, even as the detectives were getting the real story from the hit man, nick harvey. >> did you know who talked to cubano? >> yeah, we did. >> so doesn't that mean you now go out and arrest them all.