Complex sentence: Soft tissue was present primarily in the torso and thighs; the torso was of particular interest, as this allowed analysis of the gastric contents, which provide many clues to the days leading up to Kwäday Dän Ts'ìnchi's death.
Split into simpler sentences: Soft tissue was present primarily in the torso and thighs. The torso was of particular interest, as gastric contents could be analyzed to yield clues to the days leading up to the man's death.