>> just a bum. >> reporter: former branch davidian kathy jones and her husband david had seen religious visionaries come and go. >> god speaks to me. >> reporter: this time was different. koresh would preach his way to power. >> i remember in the beginning, everybody was like, oh, he's crazy. he's this and that. i mean, that's all i heard. all of a sudden people were like, well, we're listening to him. he has a message. >> one, two, three, four. ♪ >> reporter: the message was a spell-binding account of revelation. the new testament's final book. ♪ revelation 14 his message >> reporter: koresh claimed he alone could explain the book's miss tear yoes versus of the battle between god almighty and satan. >> there are some things god has concealed in his written word