personal opinion. two dead spouses. was she a grieving widow? could you have done anything to hurt him? no. why not. i loved him. how could she step her way out of this? all that matters is finding the truth. a dramatic tale of love and death. the last dance. good evening, and welcome to dateline. i m ann curry. it started with a loving marriage. once the evidence was in front of police, all was not as it seemed. here s dennis murphy. reporter: the dance of love begins with one hand taking the other. a simple step, and then magic starts. at least that s how it all began for alan and miriam. two lost souls that found each other on the dance floor. they were awesome. they made everything they did fun. reporter: they met here in a small dance studio in the tiny town of grand junction, colorado. do you see them in your mind? see what they re doing? alan doing a swing move. miriam going, oh, my god. reporter: their romance seemed to be what little gir