>> the only thing she mentioned about him was that he hung himself and she was sorry for him doing that, because she thought it was his -- her fault, okay? that's -- that's how she said it to me. we never really sat down and talked about it. well, you know what? i think she was trying to hide from her problems by smoking out. >> reporter: meaning she was smoking marijuana. cathy's family said that for her, that would be out character. sam told detectives he had last seen cathy the thursday before she disappeared. he said she'd paged him several times that day and when they finally met up -- >> she asked me for some weed, you know? and then she kept on asking me, "so are you going to give it to me or what?" and i go, "you know what?" the minute i said no to her, she blew up. she started cussing me out. you know, and, "if i don't get it through you, i'm going to get it through somebody else." >> reporter: and then, sam said, cathy got in her car and took off. >> so i'm like, you know, i mean, what can i do now? i mean, shoot, a girl cusses you