side she saw loyd groves staring daggers at kathy heckel, after she was leaving for lunch that day. hy. >> kathy pulls out, loyd pulls out after. we believe that they did meet. that somehow, some way, kathy was scheduled into one last meet, just to hear loyd out. and at that point in time, he shot her, shoved her in that van, likely with a head wound. >> according to witnesses, groves was back at the plant, sometime between two and three that afternoon. >> he kills or, disposes or body, and measures to get back to work that day, and act like nothing is wrong. and guess what way within. >> i think it's because he's smart, and a good plan or. i think for him, murder is something that can be done over a lunch hour. >> the prosecution wrapped up its case with two witnesses, people who had only surfaced shortly before trial. the first was loyd groves's now ex-wife. >> there was something she'd been holding out on telling the past 30 years, and that is that loyd groves did come home over the work our, on july 19th 1991. >> something you never did? >> which we never did. and change out of h