but yes, i was there. reporter: yes. in the room. but of course she was, said tanya. and almost casually, she revealed the heresy that, should it ever become public, would surely ruin them. marie was going to move in, and she was going to be number two. a plural wife. yes. or whatever you call them. a sister wife, i think. plural marriage. reporter: it was, in short, polygamy. or their homegrown version of it. tanya told detectives she understood the bargain very well. i ve always seen a relationship as it s it s not sex is not a relationship. a relationship is two people coming together. and sex is just a bonus. reporter: a very secret bonus, of course, kept from almost everyone. but inside the bubble of their relationship, tanya said, they were happy. she goes, you know what? i am so glad that you re going to be raising grace. she said, and i am so glad that i m going to be able to be here to do that with you. and i thought, god, you know, how cool is t
understood the bargain very well. i ve always seen a relationship as it s it s not sex is not a relationship. a relationship is two people coming together. and sex is just a bonus. a very secret bonus, of course, kept from almost everyone. but inside the bubble of their relationship, tanya said, they were happy. she goes, you know what? i am so glad that you re gonna be raising grace. she said, and i am so glad that i m gonna be able to be here to do that with you. and i thought, god, you know, how cool is that? but then, then marie gave birth. and it wasn t cool for marie. not anymore. and certainly not adoption. every time we started to broach the subject with her, she did get withdrawn. so maybe tanya wouldn t get baby grace. maybe marie wanted it all, the baby and james, all for herself.
or their homegrown version of it. tanya told detectives she understood the bargain very well. i ve always seen a relationship as it s it s not sex is not a relationship. a relationship is two people coming together. and sex is just a bonus. reporter: a very secret bonus, of course, kept from almost everyone. but inside the bubble of their relationship, tanya said, they were happy. she goes, you know what? i am so glad that you re going to be raising grace. she said, and i am so glad that i m going to be able to be here to do that with you. and i thought, god, you know, how cool is that? reporter: but then, then marie gave birth. and it wasn t cool for marie. not anymore. and certainly not adoption. every time we started to broach the subject with her, she did get withdrawn. reporter: so maybe tanya wouldn t get baby grace. maybe marie wanted it all, the
a sister wife, i think. reporter: it was, in short, polygamy. or their home grown version of it. tanya told detectives she understood the bargain very well. i ve always seen a relationship as it s it s not sex is not a relationship. a relationship is two people coming together. and sex is just a bonus. reporter: a very secret bonus, of course, kept from almost everyone. but inside the bubble of their relationship, tanya said, they were happy. she goes, you know what? i am so glad that you re gonna be raising grace. she said, and i am so glad that i m gonna be able to be here to do that with you. and i thought, god, you know, how cool is that? reporter: but then, then marie gave birth. and it wasn t cool for marie. not anymore. and certainly not adoption. every time we started to broach the subject with her, she did get withdrawn. reporter: so maybe tanya
not sex is not a relationship. a relationship is two people coming together. and sex is just a bonus. reporter: a very secret bonus, of course, kept from almost everyone. but inside the bubble of their relationship, tanya said, they were happy. she goes, you know what? i am so glad that you re gonna be raising grace. she said, and i am so glad that i m gonna be able to be here to do that with you. and i thought, god, you know, how cool is that? reporter: but then, then marie gave birth. and it wasn t cool for marie. not anymore. and certainly not adoption. every time we started to broach the subject with her, she did get withdrawn. reporter: so maybe tanya wouldn t get baby grace. maybe marie wanted it all, the baby and james, all for herself. that s what this member of the inner circle believed. but i did i hear that from