>> martha: one of alec murtaugh's own brothers says he's not sure whether murdaugh killed his wife and son. randy murdaugh says he's speaking for himself, not for the rest of the family. telling "the new york times" that he knows more than what he's saying. he's not telling the truth in my opinion about everything there. the not knowing is the worst thing there is. imagine thinking that your own brother killed his wife and your nephew. then there's this story. the mother of a man, this young boy on the right-hand side here, turned up dead, the boy turned up dead, near the murdaugh home almost ...