However, acquiring a gun is not an easy process -steps to gun ownership include a medical examination and a written test.

BBC: Why is violent crime so rare in Iceland?

Dr. Sathyavagiswaran spent a seventh day on direct examination giving detailed testimony about the 58 autopsy photos and accompanying written reports, reviewing them injury by injury, line by line.

CNN: O.J. Simpson trial: The gloves don't fit

But legal experts said that the presentation allowed Microsoft to delay cross-examination until after a lunch break and to allow Mr Gates to give a broad overview of his written testimony.

BBC: Gates cool on the stand