These official court transcripts are a complete record of every word that was said in the courtroom, as typed by the stenographers.
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If you're just curious, the opening speeches (day one [McDonald's] and day two [defence] give a good overview of the two sides (not to mention the two attitudes) in court). For a good bit of cross-examination try this exchange (from line 19) between Morris and McDonald's expert on cancer, Dr Sydney Arnott.
NB: Despite the best efforts of the stenographers, there are some errors in the transcripts.