the rags, that prosecutors wanted to talk about. that's her vehicle on surveillance video leaving mcdonald's. >> she decides to get out of her truck in a pouring rainstorm, walk over to the farthest-most trash receptacle at mcdonald's, dispose of three cleaning rags and drive away. >> reporter: they also highlighted cara's odd behavior after she saw ann's feet at the bottom of the stairs. cara's a paramedic. this is her wife. what does she do? does she rush down there, "oh, my god, ann! are you okay?" no. >> reporter: she raced to the neighbors, prosecutors told jurors. then ran back home with one more job to do. >> before the paramedics and the police arrive, she makes one final desperate attempt at covering up. she picks up that container of paint. she pours that paint. >> reporter: but instead of masking the evidence, the prosecutors said, that paint pointed to cara's guilt.