baby and james, all for herself. that s what this member of the inner circle believed. but i did i hear that from marie, that marie wanted james? reporter: did tanya strike back somehow? fight for her marriage by getting rid of marie? listen to how church members quoted tanya s words. she basically was like, james would never be able to do that, but i could. i told him, you re not capable of killing her. but tanya leans over and goes, well he couldn t, but i could. so wouldn t that lead you to, like a bloodhound, direct to tanya? she certainly would have a motive. she would. reporter: tanya, now the only mother figure in grace s life. did she know more than she was saying? did she do something? coming up, a confrontation in the congregation.
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 every time we started to broach the subject with her, she did get withdrawn.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 marie, that marie wanted james? reporter: did tanya strike back somehow? fight for her marriage by getting rid of marie? listen to how church members quoted tanya s words. she basically was like, james would never be able to do that, but i could. i told him, you re not capable of killing her. but tanya leans over and goes, well he couldn t, but i could. so wouldn t that lead you to, like a bloodhound, direct to tanya? she certainly would have a motive. she would. reporter: tanya, now the only mother figure in grace s life. did she know more than she was saying? did she do something?