would, you know, not have any more relations with their wives. >> it's true. i do have a lot of children. it's true, i do have a lot of wives. >> but koresh apparently did not stop there. >> when david first started teaching, he began to show that god asked prophets to do what we might consider strange things a lot of times. >> we had evidence that he had sexually abused girls as young as 12. >> is it my great wonderful looking, something that women just can't resist. >> we also discovered that that had been going on for a couple of years, and law enforcement had not done anything really to prevent it or stop it. >> but a field agent from the regional atf office was doing something. secretly. though his investigation had nothing to do with the abuse allegations. his name is davy aguilera. this is the first time he has talked publicly about the case.