Uganda, March 9 -- One morning in 1993, a four-year-old girl was found dead at home in her bed. She did not have any significant history of ill health that could possibly explain her death.

During the evening and night prior to her death, she was looked after by her uncle.

The body was found facing down and the blood in her body had gravitated to the face, front of the neck and chest. At the post-mortem examination the pathologist described the accumulation of blood as multiple bruises on the anterior aspects of the neck and upper chest and multiple tiny bleedings in the face, neck and upper chest.

Her anus was markedly dilated and reported to have evidence of acute and chronic injury. The cause of death was given as cardio-pulmonary a...