they began by attacking his depiction of himself as a bad boyfriend. >> you were a bad boyfriend but you were also abusive. >> correct. >> you hit this young girl. >> no, i didn't. >> you slapped her. >> no, i didn't. >> you kicked her. >> yes, i did. >> denny's lawyers tried to trip brad up on dates and times. >> you told us earlier today -- i just want to get this straight -- >> you're not trying to get it straight, you're trying to confuse me. >> but did brad have a motive for killing hannah? for an answer to that question, denny's attorneys would turn to hannah's diaries. reporter ed meyer. >> page after page of entries in her own handwriting. you could argue she was fed up with brad oborn and was reaching out on the very night she disappeared. >> that's going to be something for a jury to think about. >> it would be if i were sitting on a panel. >> the diary entries. speaking from her grave, hannah's own words telling jurors who she was thinking of: