fought back with a hammer, and killed a man she says was attacking her. if convicted, she could be sentenced to death by lethal injection. prosecutors say the only other person who knows the truth is geneva case, and she's not talking. why is it that you don't want to testify? >> the issue is i have the right -- our relationship is our relationship, and i feel that i should be equal to everybody else. we should be the same. i should be the same as you, and i love her, and i think that, you know, we should have the same opportunity as anybody else out here. >> reporter: case is invoking spousal privilege, commonly used in court cases to protect spouses from testifying against each other. case talked exclusively with cnn, but would not discuss what she knows about the killing. she says she and clairy were separated at the time. but it was just a spat. so you still love bobbi jo? >> yes, i do, very much. >> reporter: even after all this?