was a size 10. but jason wore a size 12. but this was weird. there was another partial footprint. it defied easy identification, so they began calling in shoe experts. and now they wondered were there two attackers? of course, investigators discovered early on that michelle and jason's marriage was strained. and in the last weeks of michelle's life, things were not good. >> at our friend shelley's wedding he was so drunk. just really out of it. when we got to the wedding, our friends were letting us know that michelle and jason were fighting and they were referring to it as world war iii. >> jennifer powers told investigators about another fight that october. michelle wanted her mother to stay with them for the holidays. and jason, who had a tense relationship with his mother-in-law, wanted to limit